| Code | Name | City/State |
| ABER | Abercrombie Academy | |
| ACE | Ace School | Houston Private |
| ADAM | Adam Elementary School | Cy-Fair |
| ALA | Arrow Liberation Academy K-6 | Missouri City |
| ALD9 | Aldine H S Ninth Grade Center | Aldine |
| ALDH | Aldine High School | Aldine |
| ALDN | Aldine Middle School | Aldine |
| ALEX | (see RAE) | |
| ALM | Almeda Elementary School | Houston |
| ALOH | Alpha Omega Academy HS | Huntsville |
| ALOM | Alpha Omega Academy MS | Huntsville |
| ALPH | Alpha Academy | Magnolia |
| AMC | A & M Consolidated High School | College Station |
| AMCM | A & M Consolidated Middle School | College Station |
| AMS | Angleton Middle School 5-6 | Angleton |
| AOS | Annunciation Orthodox School | Houston Parochial |
| AOSM | Annunciation Orthodox M S | Houston |
| ARA | Aragon Middle School | Cy-Fair |
| ARMB | Armand Bayou Elementary | Clear Creek |
| ARN | Arnold Middle School | Cy-Fair |
| ARPK | Airline Park Elementary | Houston |
| ASES | Atascosita Springs Elementary | Humble |
| ASK | Askew Elementary | Houston |
| ATHS | Atascosita High School | Humble |
| ATMS | Atascosita Middle School | Humble |
| ATON | Atonement Academy | San Antonio |
| AUHS | Austin High School | Houston (HISD) |
| AULT | Ault Elementary | Cy-Fair |
| AUPK | Austin Parkway Elementary | Sugar Land |
| AUSL | Austin High School | Sugar Land (Ft Bend) |
| AWTE | Awty International School | Houston |
| AWTM | Awty International Middle School | Houston |
| AWTY | Awty International High School | Houston |
| BACS | Bay Area Christian School | Webster |
| BALE | Bales Intermediate 4-6 | Friendswood |
| BAM | Bammel Middle School | Spring |
| BAME | Bammel Elementary | Spring |
| BAMH | Bay Area Montessori House | Clear Lake |
| BAR | Barrington Place Elementary | Sugar Land |
| BAY | Bay Elementary | Seabrook |
| BB6M | Bear Branch Sixth Grade Center | Magnolia |
| BBE | Barbara Bush Elementary | Houston |
| BBEH | Bear Branch Elementary | Humble ISD |
| BBEM | Bear Branch Elementary | Magnolia |
| BBES | Barbara Bush Elementary | Sugar Land |
| BBEW | Barbara Bush Elementary | The Woodlands |
| BBM | Bear Branch Junior High | Magnolia |
| BCA | Baytown Christian Academy | Baytown - Private |
| BCJH | Branch Crossing Junior High | The Woodlands |
| BCMA | Baylor College of Medicine Academy | Houston |
| BDJH | Beckendorff Junior High | Katy |
| BECK | Beckendorf Intermediate 5-6 | Tomball |
| BEL | Bellaire High School | Houston |
| BEN | Benfer Elementary | Klein |
| BENG | Benignus Elementary | Klein ISD |
| BETH | Bethune Academy | Aldine |
| BGES | Briargrove Elementary | Houston |
| BHE | (see HOLL) | |
| BHIS | Beverly Hills Intermediate | Houston |
| BIS | Brookside Intermediate | Clear Lake |
| BJH | Beck Junior High | Katy |
| BJOR | Barbara Jordan High School | Houston |
| BJS | Baytown Junior School | Baytown |
| BLAC | Frank Black Middle School | Houston |
| BLCK | Black Elementary | Cy-Fair ISD |
| BLY | Bleyl Junior High | Cy-Fair |
| BMCM | Briarmeadow Charter Middle School | Houston |
| BMCS | Briarmeadow Charter School | Houston |
| BNC | BASIS North Central 5-8 | San Antonio |
| BNCH | BASIS North Central HS | San Antonio |
| BNED | Bishop Noland Episcopal Day School | Lake Charles, LA |
| BON | Bonner Elementary | Hoston |
| BOON | Boone Elementary | Alief ISD |
| BOWL | James Bowl Middle School | Richmond |
| BRA | Blue Ridge Academy | Roanoke, Virginia |
| BRGV | (see BGES) | |
| BRKE | Brookwood Elementary | Clear Creek ISD |
| BRL | Brill Elementary | Klein |
| BRPT | Bridge Point Elementary | Austin |
| BRSM | Breisemeister Junior High | Seguin |
| BRUC | Bruce Elementary | |
| BRY | Bryan High School | Bryan |
| BRYC | Bryan Collegiate H S | Bryan |
| BRZB | Brazos Bend Elementary | Fort Bend |
| BTW | Booker T Washington High School | Houston |
| BUCK | Buckalew Elementary | The Woodlands |
| BUDE | Budewig Intermediate | Houston |
| BUNK | Bunker Hill Elementary | Houston - Spring Branch |
| BURN | Burnet Elementary | Houston |
| BUS | Bussey Elementary | Houston |
| BYDS | Beth Yeshurun Day School | Houston Parochial |
| BYS | Brigham Young School | Houston |
| CAMA | Cambridge Academy | Houston |
| CAMB | Campbell Elementary | SugarLand |
| CARM | Carmichael Elementary | Aldine |
| CARN | Carnegie Vanguard High School | Houston |
| CARR | Carroll Elementary | Sheldon ISD |
| CARS | Carson Elementary | San Antonio |
| CARV | Carver High School | Aldine |
| CBES | Cedar Brook Elementary School | Houston - Spring Branch |
| CCCS | Corpus Christi Catholic M S | Houston |
| CCEA | Canyon Creek Elementary | Austin |
| CCEK | Clear Creek Elementary | Killeen |
| CCHS | Clear Creek High School | Clear Creek ISD |
| CCS | Cypress Christian School | Cypress |
| CCY | Childrens Courtyard | The Woodlands |
| CDBM | Casa Dei Bambini Montessori | Sugar Land |
| CEK | C E King High School | Sheldon ISD |
| CENN | Central Middle School | Nederland |
| CES | (see CSE) | |
| CFCC | Cy-Fair College | Cy-Fair |
| CHAL | Challenger Elementary | Pearland |
| CHAV | Chavez High School | Houston |
| CHE | College Hills Elementary | College Station |
| CHHS | Challenge High School | Houston |
| CIMA | Cimarron Elementary | Katy |
| CLAU | Claughton Middle School | Spring ISD |
| CLB | Clear Brook High School | Clear Creek ISD |
| CLC | Clear Lake Christian School | Clear Lake |
| CLCE | Clear Lake City Elementary | Clear Creek ISD |
| CLCH | Clear Lake Christian High School | Clear Lake |
| CLCM | Clear Lake Christian Middle School | Clear Lake |
| CLE | Clements High School | Fort Bend |
| CLF | Clifton Middle School | Houston |
| CLFL | Clear Falls High School | Clear Creek ISD |
| CLHS | Clear Lake High School | Clear Creek ISD |
| CLHZ | Clear Horizons High School | Clear Creek ISD |
| CLIS | Clear Lake Intermediate School | Clear Creek ISD |
| CLNE | Cline Elementary | Friendswood |
| CLOU | Cloughton Middle School | Spring ISD |
| CLS | Clear Springs High School | Clear Creek ISD |
| CLSI | Clear Springs Intermediate | Clear Creek ISD |
| CLVM | Colleyville Middle School | Colleyville |
| CLVR | Cloverleaf Elementary | Galena Park |
| COBB | Gerald Cobb 6th Grade Center | Galena Park |
| COLE | Collins Elementary | Houston |
| COLI | Collins Intermediate | The Woodlands |
| COLM | Colony Meadow Elementary | Sugar Land |
| COLO | Colony Bend Elementary | Sugar Land |
| COLY | T S Cooley Magnet Elementary | Lake Charles, LA |
| COM | Commonwealth Elementary | Sugar Land |
| CON | Condit Elementary | Houston |
| CONA | Connections Academy | Anaheim, California |
| COOK | Cook Middle School | Cy-Fair |
| COPE | Copeland Elementary | Cy-Fair |
| CORN | Cornelius Elementary | Houston |
| COUL | Coulson Tough School K-6 | The Woodlands |
| COV | Covenant Academy | Cypress - Private |
| CPE | Canyon Pointe Elementary | Tomball |
| CRCH | Creech Elementary | Katy |
| CRDF | Cardiff Junior High | Katy |
| CRER | Cactus Ranch Elementary | Round Rock |
| CRHS | Cinco Ranch High School | Katy |
| CRJ | Cristo Rey Jesuit High School | Houston Parochial |
| CRJH | Cinco Ranch Junior High | Katy |
| CRK | Creekwood Middle School | Kingwood |
| CRKT | Crockett Middle School | Fort Bend |
| CRKV | Creek View Elementary | College Station |
| CRM | Cinco Ranch Montessori | Katy Private |
| CRMS | Crosby Middle School | Crosby |
| CROS | Crossroads Academy | Houston Private |
| CRVW | Creekview Elementary K-5 | Tomball |
| CSA | Cornerstone Academy | Houston - Spring Branch |
| CSE | Cornerstone Elementary | Sugar Land |
| CSHS | College Station High School | College Station |
| CSMS | College Station Middle School | College Station |
| CSOH | Coldspring-Oakhurst High School | Coldspring |
| CSPJ | Creekside Park Junior High | Tomball |
| CTHS | Career & Technical H S | Pasadena ISD |
| CULL | Cullen Intermediate School | Houston |
| CUNA | Cunae International School | The Woodlands Private |
| CUNH | Cunae International High School | The Woodlands Private |
| CVHS | Channelview High School | Channelview |
| CVMA | Canyon Vista Middle School | Austin |
| CYC | Cypress Creek High School | Cy-Fair |
| CYF | Cypress Falls High School | Cy-Fair |
| CYFR | Cy-Fair High School | Cy-Fair |
| CYGR | Cypress Grove Intermediate 5-6 | College Station |
| CYRD | Cypress Ridge High School | Cy-Fair |
| CYRH | Cypress Ranch High School | Cy-Fair |
| CYSP | Cypress Springs High School | CyFair |
| CYWD | Cypress Woods High School | Cy-Fair |
| DAC | Dove and Cross Home School | Magnolia |
| DALY | Ray Daily Elementary School | Houston |
| DAVD | David Elementary | The Woodlands |
| DAVM | D A V Montessori | Houston, Private |
| DAWS | Dawson High School | Pearland |
| DCKN | Dickinson Elementary | Fort Bend ISD |
| DEAN | Dean Middle School | Cy-Fair |
| DEBK | Debakey High School | Houston |
| DEDY | Deady Middle School | Houston |
| DENT | Denton High School | Denton |
| DER | Deretchin Elementary | The Woodlands |
| DOBE | Dobie High School | Pasadena |
| DOE | Doerre Intermediate | Klein |
| DOMN | Dominion Preparatory School | Houston |
| DPE | Decker Prairie Elementary | Tomball |
| DRBK | Drabek Elementary | Fort Bend |
| DREW | Drew Intermediate | Crosby |
| DRPK | Deer Park High School | Deer Park |
| DRWD | Deerwood Elementary | Kingwood |
| DSES | Deaf Smith Elementary School | Richmond - Lamar |
| DUCH | Duchesne Academy | Houston |
| DUIT | Dueitt Middle School | Spring ISD |
| DULE | Dulles Elementary | Missouri City |
| DULM | Dulles Middle School | Missouri City |
| DULS | Dulles High School | Fort Bend ISD |
| DURK | Durkee Elementary | Houston |
| DVSN | Davidson Elementary | Katy ISD |
| DWE | Deepwater Elementary | Deer Park ISD |
| DZV | DeZavala Elementary | Houston |
| EAGS | Eagle Springs School | Atascocita |
| EAST | Easterly High School | Houston |
| ECK | Eckert Intermediate 5-6 | Aldine ISD |
| EDS | Edison Middle School | Houston |
| EHR | Ehrhardt Elementary | Klein |
| EIS | Esprit International School | The Woodlands Private |
| EISN | Eisenhower High School | Aldine ISD |
| ELKF | Elkins High School | Fort Bend ISD |
| ELL | Ellisor Elementary | Magnolia |
| ELSK | Elsik High School | Alief ISD |
| EMOT | Emmott Elementary | Cy-Fair |
| ENGL | Elsa England Elementary | Round Rock |
| ENRG | Energy Institute High School | Houston |
| EPIS | Episcopal High School | Houston |
| EVP | Evers Park Elementary | Denton |
| EWS | Emery/Weiner School | Houston Parochial |
| EXED | Extraordinary Education HomeSchool | Magnolia |
| EXLY | Jo Ella Exley Elementary | Katy |
| FAN | Fannin Elementary | Bryan |
| FARN | Farney Elementary | Cy-Fair |
| FAY | The Fay School | Houston - Private |
| FBA | First Baptist Academy | Houston Parochial |
| FBMT | Fort Bend Montessori | Sugar Land |
| FCER | Forest Creek Elementary | Round Rock |
| FCMS | First Colony Middle School | Sugar Land |
| FCS | Founders Christian School | Spring - Parochial |
| FCSM | Founders Christian Middle School | Spring - Parochial |
| FERG | Ferguson Elementary | Clear Creek ISD |
| FHS | Friendswood High School | Friendswood |
| FIEL | Fielder Elementary | Katy |
| FIES | Fiest Elementary | Cy-Fair |
| FJH | Friendswood Junior High | Friendswood |
| FOCS | Focus Academy HS | Stafford |
| FORD | Ford Elementary | Conroe ISD |
| FOST | Foster Elementary | Kingwood |
| FPES | Falcon Pass Elementary | Clear Creek |
| FRAZ | Frazier Elementary | Pasadina ISD |
| FRDG | Forest Ridge Elementary | College Station |
| FREE | Freeman Elementary | Irving, TX |
| FRNK | Frank Elementary | Klein |
| FRNS | Francis Elementary | Aldine |
| FROS | Frostwood Elementary | Spring Branch |
| FSMS | Fort Settlement Middle School | Sugar Land |
| FTBC | Fort Bend Christian | Sugar Land - Parochial |
| FTE | Forrest Trail Elementary | Austin |
| FURR | Furr High School | Houston |
| GAL | Galatas Elementary | The Woodlands |
| GALL | Gallegos Elementary | Houston |
| GALW | The Galloway School | Friendswood - Private |
| GARC | Garcia Middle School | Sugar Land |
| GDMN | Goodman Elementary K-4 | Aldine ISD |
| GDSN | Goodson Intermediate | Cy-Fair |
| GEN | Gentry Junior School | Baytown |
| GLE | Gleason Elementary | Cy-Fair |
| GLEN | Glenloch Elementary | The Woodlands |
| GLNY | Glenn York Elementary | Alvin ISD |
| GRA | Grace School | Houston Parochial |
| GRAN | Grantham Academy 7-8 | Aldine ISD |
| GRDY | Grady Middle School | Houston |
| GRIF | Griffin Elementary | Katy |
| GRN | Greenwood Forest Elementary | Klein |
| GRTR | Greentree Elementary | Kingwood |
| HAIL | Hailey Elementary | The Woodlands |
| HAIS | Houston Acad. International Studies | Houston |
| HALL | Walter Hall Elementary | Clear Creek |
| HAM | Hamilton Middle School | Cy-Fair |
| HAMB | Hambrick Middle School | Aldine |
| HAME | Hamilton Elementary | Cy-Fair |
| HAMT | Hamilton Middle School | Houston ISD |
| HAN | Hancock Elementary | Cy-Fair |
| HAR | Hartman Middle School | Houston |
| HARA | Harmony School of Advancement | Houston |
| HARD | Harmony School of Discovery | Katy |
| HARE | Harmony School of Excellence | Houston |
| HARI | Harmony School of Ingenuity | Houston |
| HARM | Harmony Science Academy | Houston |
| HARN | Harmony Endeavors | Houston |
| HARP | Harmony Sch of Political Science | Austin |
| HARS | Harmony School of Science | Houston |
| HART | Harmany School of Austin | Austin |
| HAS | Hastings High School | Alief |
| HASS | Hassler Elementary | Klein |
| HAU | Haude Elementary | Klein |
| HAVD | Havard Elementary | Galena Park |
| HAYN | Haynes Academy | Houston |
| HAYS | Hayes Elementary | Katy |
| HBMS | Hodges Bend Middle School | Fort Bend ISD |
| HCES | Hunters Creek Elementary | Houston - Spring Branch |
| HCS | Heritage Christian School | Cypress |
| HER | Herod Elementary | Houston |
| HGA | Houston Gateway Academy HS | Houston |
| HGAE | Houston Gateway Academy Elem. | Houston |
| HGAM | Houston Gateway Academy MS | Houston |
| HGES | Hunters Glen Elementary | Fort Bend |
| HHE | Hidden Hollow Elementary | Kingwood |
| HIL | Hildebrandt Intermediate | Klein |
| HILI | Hill Intermediate 5-6 | Aldine ISD |
| HILL | Hillcrest Elementary | Nederland |
| HLE | Highlands Elementary | Fort Bend |
| HOGG | Hogg Middle School | Houston |
| HOLL | Bonnie Holland Elementary | Katy |
| HOLM | Holmsley Elementary | Houston |
| HOMB | Home School - Brown | |
| HOME | Home Schooled | |
| HOMH | H.O.M.E. Home High School 9-12 | |
| HOMI | Home School - Imrek | |
| HOMK | H.O.M.E. Home School K-5 | Kingwood |
| HOMM | H.O.M.E. Home Middle School 6-8 | Kingwood |
| HORN | Horne Elementary | Cy-Fair |
| HRCM | Holy Rosary Catholic M S | Rosenberg |
| HRCS | Holy Rosary Catholic School | Rosenberg |
| HRM | Home Run Ministry Home School | Kingwood |
| HRNA | Horn Academy | Bellaire |
| HRS | The Honor Roll School | Sugar Land Private |
| HRSM | The Honor Roll Middle School | Sugar Land Private |
| HRT | HEART Home School K-5 | Kingwood |
| HRTH | HEART Home High School 9-12 | Kingwood |
| HRTM | HEART Home Middle School 6-8 | Kingwood |
| HRVE | Harvard Elementary | Houston |
| HSAB | Harmony Science Academy | Beaumont |
| HSE | Holy Spirit Episcopal | Houston Parochial |
| HTC | Holy Trinity Coop | Homeschool |
| HTE | Holy Trinity Episcopal | Kingwood Parochial |
| HTWR | Hightower High School | Fort Bend |
| HUD | Hudson Elementary | Brownsville |
| HUGH | Hughes Road Elementary | Dickinson |
| HUMB | Humble High School | Humble |
| HUMM | Humble Middle School | Humble |
| HUN | Huntsville High School | Huntsville |
| HUNI | Huntsville Intermediate 5-6 | Huntsville |
| HYDE | Hyde Elementary | Clear Creek |
| IMAM | The Imani Middle School | Houston Private |
| IMAN | The Imani School | Houston Private |
| IMNA | Iman Academy | Pearland - Private |
| INTP | International Preparatory School | Houston |
| ISN | Isenkinder Home School | Cypress |
| ISNH | Isenkinder Home High School | Cypress |
| ISNM | Isenkinder Home Middle School | Cypress |
| JACK | Jackson Middle School | Houston |
| JAMI | Jamison Middle School 5-6 | Pearland |
| JCHS | John Cooper High School | The Woodlands Private |
| JCMS | John Cooper Middle School | The Woodlands Private |
| JCS | John Cooper School | The Woodlands Private |
| JEFF | Jefferson Middle School | San Antonio Northside |
| JENK | Jenkins Elementary | Spring |
| JETR | Don Jeter Elementary | Manvel |
| JFLD | Jack Fields Elementary | Humble |
| JHNB | Johnson Elementary | Bryan |
| JJHS | John Jay High School | San Antonio Northsid |
| JLMH | Jane Long Middle School | Houston |
| JLMS | Jane Long Middle School | Bryan |
| JNKS | Jenks Elementary | Katy |
| JNKT | Jenks Southeast Elementary | Tulsa, OK |
| JONS | Jones Elementary | Katy |
| JOY | The Joy School | Houston |
| JP2E | John Paul II Elementary | Houston Parochial |
| JP2M | John Paul II Middle School | Houston Parochial |
| JVH | Jersey Village High School | Cy-Fair |
| JWE | James Williams Elementary | Katy |
| KCC | Kingwood Community College | Kingwood |
| KCHS | Klein Collins High School | Klein |
| KEAL | Kealing Middle School | Austin |
| KELE | Kenneth E Little Elementary | Dickenson ISD |
| KEMP | Kempner High School | Sugar Land |
| KES | Keith Elementary School | Cy-Fair |
| KETL | Ketelsen Elementary | Houston |
| KEY | Keystone Elementary | San Antonio |
| KFHS | Klein Forest High School | Klein |
| KGWD | Kingwood High School | Kingwood |
| KHS | Klein High School | Klein |
| KILP | Kilpatrick Elementary | Katy |
| KIN | The Kinkaid School | Houston - Private |
| KIP5 | Kipp Shine Elementary P-4 | Houston - Private |
| KIPH | Kipp Sunnyside High School | Houston - Private |
| KIPI | Kipp Intrepid Prep School 5-8 | Houston - Private |
| KIPP | Kipp Houston High School | Houston - Private |
| KIPS | Kipp Spirit Middle School 5-8 | Houston - Private |
| KIPZ | Kipp Zenith Elementary P-4 | Houston - Private |
| KIRK | Kirk Elementary | Houston |
| KLEB | Kleb Intermediate | Klein |
| KLNK | Klink Elementary | Klein |
| KMNT | Kingwood Montessori | Kingwood - Private |
| KNOX | Knox Junior High | The Woodlands |
| KOAK | Klein Oak High School | Klein |
| KOHR | Kohrville, Elementary | Klein |
| KOL | Kolter Elementary | Houston |
| KPHS | Kingwood Park High School | Kingwood |
| KRA | Krahn Elementary | Klein |
| KRBY | Kirby Hall Elementary | Austin, TX |
| KRIM | Krimmel Intermediate | Klein |
| KSA | Kandy Stripe Academy | Houston |
| KTAY | Katy Taylor HS | Katy |
| KTSA | Know Thy Self Academy | Missouri City |
| KUE | Kuehnle Elementary | Klein |
| KUJW | Kujawa Elementary | Aldine |
| LAB | Labay Junior High | Cy-Fair |
| LAKE | Lakewood Elementary | Tomball |
| LAM | Lamar High School | Houston |
| LAMB | Lamar Elementary | Baytown |
| LAMC | Lamar Consolidated H S | Rosenberg |
| LAME | Lamar Elementary | Conroe ISD |
| LAMJ | Lamar Junior High | Sugar Land |
| LAMK | Lamkin Elementary School | Cy-Fair |
| LAN | Lanier Middle School | Houston |
| LAWH | E A Lawhon Elementary | Pearland |
| LBE | Laura Bush Elementary | Pasadena |
| LBJ | L B Johnson H S | Austin |
| LCKH | Lockhart Elementary | Houston |
| LCPH | Leland College Prep Acad. H.S. | Houston |
| LCPM | Mickey Leland College Prep Academy | Houston |
| LEE | Lee High School | Baytown |
| LEEC | Lee College | Baytown |
| LEMM | Lemm Elementary | Klein |
| LEW | Lewis Elementary | Spring ISD |
| LEWS | Lewis Elementary | Houston |
| LEX | Lexington Creek Elementary | Missouri City |
| LFEA | Longfellow Elementary | Alvin |
| LHK | Lake Houston Knights Home School | Kingwood |
| LHKH | Lake Houston Knights Home H S | Kingwood |
| LHKM | Lake Houston Knights Home M S | Kingwood |
| LIED | Lieder Elementary | Cy-Fair |
| LJLE | LaFaye Johnson Lee Elementary | Cy-Fair |
| LKSH | Lakeshore Elementary | Humble ISD |
| LKVW | Lakeview Elementary | Sugar Land |
| LLMS | Lynn Lucas Middle School | Willis |
| LLV | Ludus Latinus Victoriae | Victoria |
| LMEA | Laurel Mountain Elementary | Austin |
| LNHS | Lutheran North High School | Houston |
| LNTP | Lantrip Elementary | Houston |
| LOGH | Logos Prep High School | Houston |
| LOGM | Logos Prep Middle School | Houston |
| LOGS | Logos Prep Elementary | Houston |
| LOMS | Live Oak Middle School | Killeen |
| LOVT | Lovett Elementary | Houston |
| LOW | Lowery Elementary | Cy-Fair |
| LPA | Logos Preparatory Academy | Sugar Land |
| LSA | Lutheran South Academy | Houston |
| LSC | Lone Star College | |
| LWSS | W W Lewis Middle School | Sulphur, LA |
| LYON | Lyons Elementary | Magnolia |
| MAC | MacArthur High School | Aldine |
| MAG | Magnolia High School | Magnolia |
| MAG6 | Magnolia Sixth Grade Campus | Magnolia |
| MAGE | Magnolia Elementary | Magnolia |
| MAN | Manvel High School | Manvel |
| MANV | Manvel Jr High | Manvel |
| MARS | Marshall High School | Fort Bend ISD |
| MATT | Matthys Elementary | Pasadena |
| MBRA | Mary Branch Elementary | Bryan |
| MCA | Mount Carmel Academy | Houston - Private |
| MCC | McCullough Junior High | The Woodlands |
| MCHS | Mayde Creek High School | Katy |
| MCMN | McMeans Junior High | Katy |
| MCR | McReynolds Middle School | Houston |
| MDE | Memorial Drive Elementary | Houston |
| MEM | Memorial High School | Houston - Spring Branch |
| MEMM | Memorial Middle School | Houston - Spring Branch |
| MER | Meridian School | Round Rock |
| MEXI | Mexia High School | Mexia |
| MHS | Montgomery H S | Montgomery |
| MIL | Milby High School | Houston |
| MILR | Berry Miller Jr High | Pearland |
| MILS | Milsap Elementary | Cy-Fair |
| MIMS | Mandarin Immersion Magnet School | Houston |
| MIT | Mittelstadt Elementary | Klein |
| MITC | Mitchell Intermediate 5-6 | The Woodlands |
| MJH | Montgomery Junior High | Montgomery |
| MLI | Montessori Learning Institute | Houston - Private |
| MMAH | Marine Military Academy | Harlingen |
| MMS | Montgomery Middle School (6) | Montgomery |
| MNPK | Mance Park Junior High | Huntsville |
| MONA | Montessori Academy | |
| MONT | Montessori School of Downtown | Houston - Private |
| MOOR | Moore Elementary | Cy-Fair |
| MORS | Morris Middle School | Pasadena |
| MOSS | Mossman Elementary | League City |
| MPAM | Mainland Prep Academy M S | La Marque |
| MPCA | Mainland Preparatory Classical Academy | La Marque |
| MPE | Memorial Parkway Elementary | Katy |
| MPJH | Memorial Parkway Junior High | Katy |
| MREK | Mary Marek Elementary | Alvin |
| MRES | Massey Ranch Elementary School | Pearland |
| MRJH | Morton Ranch Junior High | Katy |
| MRLS | Mireles Elementary | Corpus Christi |
| MTE | Mark Twain Elementary | Houston |
| MUI | Muhammad University of Islam | Houston |
| MWES | Mission West Elementary School | Fort Bend |
| NAV | Navarro Elementary | Bryan |
| NC6 | New Caney Sixth Grade Center | New Caney |
| NCS | Northland Christian School | Houston |
| NEC | Northeast Christian Academy | Kingwood Private |
| NGC | Northgate Crossing Elementary | Spring ISD |
| NHCC | North Harris Community College | Houston |
| NHCE | Nottingham Country Elementary | Katy |
| NHE | Nottingham Elementary School | Houston - Spring Branch |
| NHP | Northampton Elementary | Klein ISD |
| NIS | Northpointe Intermediate 5-6 | Tomball |
| NLSN | Nelson Middle School | Frisco, TX |
| NMTZ | Nimitz High School | Aldine |
| NPES | North Pointe Elementary | Clear Creek |
| NRJH | Nolan Ryan Junior High | Alvin |
| NSEA | Northside Elementary | Angleton |
| NSHS | North Shore High School | Galena Park |
| NSME | Nichols Sawmill Elementary | Magnolia |
| NSMS | North Shore Middle School | Galena Park |
| NUL | Null Middle School | Sheldon ISD |
| NWC | Northwoods Catholic School | Spring |
| NWMA | North West Montessori | Austin |
| OAKC | Oakcrest Intermediate 5-6 | Tomball |
| OAKF | Oak Forest Elementary | Houston |
| OAKR | Oak Ridge High School | Conroe ISD |
| OAKW | Oakwood Intermediate 5-6 | College Station |
| ODOM | Odom Academy Middle School | Beaumont |
| OLMC | Our Lady of Mt Carmel Elementary | Houston |
| ORCA | Oak Ridge Christian Academy | The Woodlands |
| OUT | Outley Elementary | Houston |
| OWEN | Owens Elementary | Cy-Fair |
| OYS | Oyster Creek Elementary | Fort Bend ISD |
| PARK | Parker Elementary | Houston |
| PARM | Parmley Elementary | Willis |
| PARR | Ralph Parr Elementary | Clear Creek ISD |
| PATT | Pattison Elementary | Katy |
| PCES | Pebble Creek Elementary School | College Station |
| PEAR | Pearland High School | Pearland |
| PERS | Pershing Middle School | Houston |
| PFE | Pine Forest Elementary | Humble |
| PINE | Pines Montessori School | Kingwood |
| PJHE | Pearland Junior High East | Pearland |
| PJHS | Pearland Junior High South | Pearland |
| PJHW | Pearland Junior High West | Pearland |
| PLS | Pilgrim Lutheran School | Houston |
| PNF | Pat Neff Elementary | Houston |
| PNOK | Pin Oak Middle School | Bellaire |
| POE | Poe Elementary | Houston |
| POND | Ponderosa Elementary | Spring |
| POPE | Pope Elementary | Cy-Fair ISD |
| PORT | Porter High School | Porter |
| POS | The Post Oak School | Houston Private |
| POW | Powell Elementary | The Woodlands |
| PRES | Presbyterian School | Houston |
| PRKR | Parker Elementary | Houston |
| PRMS | (see REV) | |
| PROV | Provident Academy | Spring |
| PVA | HS for Performing & Visual Arts | Houston |
| QHS | Quest Early College High School | Humble ISD |
| QOA | Queen of Angels Academy | Dickinson Parochial |
| QOH | Queen of Heaven | Lake Charles, LA |
| QOP | Queen of Peace Catholic School | Houston Parochial |
| QVM | Quail Valley Middle School | Fort Bend |
| RAE | Roosevelt Alexander Elementary | Katy |
| RAIN | Rainard School | Houston |
| RAND | Randoph Elementary | Katy |
| RAYA | Raymond Academy | Aldine ISD |
| RAYB | Sam Rayburn Middle School | Bryan |
| RCA | Regina Caeli Academy Home School | Houston |
| RDGP | Ridge Point High School | Fort Bend ISD |
| RDMN | Andrew Rodman Elementary | Conroe |
| REA | Reagan High School | Houston |
| RED | Red Elementary School | Houston ISD |
| REDD | The Redd School | Klein Private |
| REED | Reed Academy | Houston |
| REG | Regis School | Houston |
| REGM | Regis Middle School | Houston |
| RES | Resurrection Catholic School | Houston |
| RESM | Resurrection Middle School | Houston |
| REV | Paul Revere Middle School | Houston |
| REY | Reynolds Elementary | Spring ISD |
| RHA | Rolling Hills Academy | San Antonio |
| RHDS | The Rhodes School | Houston |
| RICA | Ricardo Junior High | Kingsville |
| RICE | The Rice School | Houston |
| RICM | The Rice Middle School | Houston |
| RIP | Ripley Charter School | Houston |
| RJH | Reading Junior High | Richmond |
| ROB | River Oaks Baptist | Houston |
| ROBI | Robison Elementary | Cy-Fair |
| ROBR | Roberson Middle School | Spring ISD |
| ROBT | Roberts Elementary | Houston |
| ROCK | Rock Prairie Elementary | College Station |
| ROGR | Rogers Middle School 5-6 | Pearland |
| ROSE | Rosehill Christian | Houston |
| RSA | Rising Scholars Academy | San Benito |
| RUMM | Rummel Creek Elementary | Houston - Spring Branch |
| RUSK | The Rusk School MS | Houston |
| RVB | Riverbend Montessori | Houston |
| RVO | River Oaks Elementary | Houston |
| RVRW | Riverwood Middle School | Kingwood |
| RYL | Rylander Elementary | Katy |
| SABL | Sablatura Middle School 5-6 | Pearland |
| SACH | Sacred Heart | Conroe |
| SAEG | Saegert Middle School | Seguin |
| SALD | Salyard Intermediate | Cy-Fair |
| SALY | Salyers Elementary | Spring |
| SAMB | St Ambrose Catholic | Houston Parochial |
| SAMG | Sam Houston Elementary | Galena Park |
| SAMH | Sam Houston Elementary | Bryan |
| SAMP | Sampson Elementary | Cy-Fair |
| SANC | Sanchez High School | Houston |
| SANM | Sanchez Middle School | Houston |
| SAP | St Anthony of Padua | The Woodlands |
| SARM | Sartartia Middle School | Sugar Land |
| SBC | Second Baptist Church School | Houston - Parochial |
| SBCH | Second Baptist High School | Houston - Parochial |
| SBCM | Second Baptist Middle School | Houston - Parochial |
| SBHG | School for the Highly Gifted | Spring Branch |
| SBMS | Spring Branch Middle School | Houston - Spring Branch |
| SCH | Schultz Elementary | Klein |
| SCHB | Schulenburg High School | Schulenburg |
| SCHE | Schmalz Elementary | Katy ISD |
| SCHF | Jan Schiff Elementary | Missouri City |
| SCHL | Schlenker School | Houston Parochial |
| SCHM | Schultz Middle School | Waller |
| SCHN | Schneider Middle School | Houston |
| SCHO | Schola Home School | Ft Bend County |
| SCHW | Schindewulf Intermediate | Klein |
| SCLN | Scanlan Oaks Elementary | Ft Bend ISD |
| SCPC | Spring Cypress Presbyterian | Spring - Parochial |
| SEAI | Seabrook Intermediate | Seabrook |
| SEGN | Seguin High School | Seguin |
| SER | Deaf Smith Elementary | Richmond |
| SETH | Seton Home Study School | Home School |
| SETN | St Elizabeth Ann Seton Catholic | Houston - Parochial |
| SFA | Stephen F Austin Middle School | Bryan |
| SFAC | St Francis of Assisi Catholic Sc | Houston - Parochial |
| SFDS | St Francis de Sales | Houston |
| SFE | St Francis Episcopal Day School | Houston |
| SFES | Santa Fe Elementary School | Santa Fe |
| SFHS | Santa Fe High School | Santa Fe |
| SGML | Sugar Mill Elementary | Sugar Land |
| SHDF | Shadow Forest Elementary | Kingwood |
| SHFR | Shafer Elem | Katy |
| SHL | Shlenker Elementary | Houston Parochial |
| SHOE | Shoemaker High School | Killeen |
| SHOU | South Houston High School | Pasadena |
| SHPI | Sharpstown International School | Houston |
| SHRP | Sharpstown High School | Houston |
| SHSU | Sam Houston State University | Huntsville |
| SICR | Silvercrest Elementary | Pearland |
| SIL | Silverlake Elementary | Pearland |
| SJAC | San Jacinto Junior College | Pasadena |
| SKE | South Knoll Elementary | College Station |
| SLCR | Sloan Creek Intermediate School | Fairview, TX |
| SLHS | Seven Lakes High School | Katy |
| SLJH | Seven Lakes Junior High | Katy |
| SME | St Marks Episcopal | Houston |
| SMM | Southminster Middle School | Missouri City Parochial |
| SMN | Southminster School | Missouri City Parochial |
| SMRW | Summerwood Elementary | Houston |
| SMTC | Smith Middle School | Cy-Fair |
| SMTF | Smith Middle School | Fort Hood |
| SMTH | Smith Elementary | Magnolia |
| SNED | Sneed Elementary | Houston |
| SOUT | Southampton Montessori | Houston |
| SOW | School of the Woods | Houston |
| SPA | Space Center Intermediate | Clear Creek |
| SPAC | St Peter the Apostle Catholic MS | Houston Parochial |
| SPAE | St Peter the Apostle Elementary | Houston Parochial |
| SPB | Spring Baptist Academy | Spring |
| SPIL | Spillane Middle School | Cy-Fair |
| SPL | Splendora High School | Splendora 9-12 |
| SPLE | Splendora Elementary | Splendora 2-4 |
| SPLI | Splendora Intermediate | Splendora 5-6 |
| SPLJ | Splendora Junior High | Splendora 7-8 |
| SPR | Spring High School | Spring |
| SPRW | Spring Woods High School | Spring Branch |
| SPV | St Pius V High School | Pasadena Parochial |
| SPWD | Spicewood Elementary | Austin |
| SRID | Sally Ride Elementary | The Woodlands |
| STAE | St Thomas the Apostle Episcopal | Clear Lake - Parochial |
| STAG | St Augustine Catholic School | Houston |
| STAH | St Anne's School | Houston Parochial |
| STAM | St Anne's Middle School | Tomball Parochial |
| STAN | St Anne's Catholic School | Tomball Parochial |
| STAP | St Anne's Catholic School | Pearland Parochial |
| STCC | St Cecilia | Houston Parochial |
| STCH | St Christopher's Catholic School | Houston |
| STCL | St Claire Preschool | League City |
| STE | St Thomas Episcopal Elementary | Houston Parochial |
| STED | St Edwards Catholic | Spring |
| STEE | St Edward Elementary | Spring |
| STEH | St Thomas Episcopal High School | Houston Parochial |
| STEM | St Thomas Episcopal Middle School | Houston Parochial |
| STER | Sterling High School | Baytown |
| STEV | Stevenson Middle School | Houston |
| STEW | Stewart Elementary | Kemah |
| STG | St George Elementary | Houston |
| STHL | St Helen Elementary School | Pearland - Parochial |
| STHM | St Helen Middle School | Pearland |
| STHS | St Thomas Catholic High School | Houston - Parochial |
| STIL | Stillman Middle School | Brownsville |
| STJ | Strake Jesuit HS | Houston - Parochial |
| STJH | St John's High School | Houston |
| STJM | St John's Middle School | Houston |
| STJN | St John's School | Houston |
| STJO | St Joseph's School | Baytown |
| STL | St Laurence | Sugar Land |
| STM | St Mary's Catholic School | League City |
| STMA | St Mary's Catholic M. S. | League City |
| STMI | St Michael's Catholic School | Houston Parochial |
| STMJ | St Michael's Cathlic M. S. | Houston Parochial |
| STMK | St Marks Episcopal | Houston |
| STML | St Mark's Episcopal M. S. | Houston |
| STMM | St Mary Magdalene | Humble Parochial |
| STMN | St Mary Magdalene Middle School | Humble |
| STMP | St Mary of the Purification Mont | Houston |
| STMR | St Martha Catholic School K-5 | Kingwood Parochial |
| STMS | St Martha Catholic Middle School | Kingwood Parochial |
| STN | St Nicholas | Houston Parochial |
| STNL | Stanley Elementary | Katy |
| STOV | Stovall Middle School | Aldine ISD |
| STPX | St Pius X High School | Houston Parochial |
| STR | Strack Intermediate | Klein |
| STRK | Strickland Middle School | Denton |
| STSE | St Stephen's Episcopal Elementary | Houston Parochial |
| STTM | St Thomas More M S | Houston Parochial |
| STTN | St Thomas More Elementary | Houston Parochial |
| STTR | St Theresa Catholic School | Sugar Land Parochial |
| SUL | Ann Sullivan Elementary | Sugar Land |
| SVDM | St Vincent de Paul M S | Houston Parochial |
| SVDP | St Vincent de Paul | Houston Parochial |
| SVLK | Savannah Lakes Elementary | Rosharon |
| SWE | Settlers Way Elementary | Sugar Land |
| SWEN | Swenke Elementary | Cy-Fair |
| TAMU | Texas A&M University | College Station |
| TAYS | Tays Junior High | Katy |
| TBRC | Timber Creek Elementary | Tomball |
| TCC | Tomball Community College | Tomball |
| TCMS | Twin Creeks Middle School | Spring |
| TEAG | Teague Middle School | Aldine ISD |
| TEN | The Tenney School | Houston, Private |
| TERR | Terrace Elementary | Houston |
| THOM | Thompson Elementary | Spring |
| THOR | Thornton Middle School | Cy-Fair |
| THR | T H Rogers Elementary | Houston |
| THRM | T H Rogers Middle School | Houston |
| THS | Theiss Elementary | Klein |
| TMHS | Tomball Memorial High School | Tomball |
| TOM | Tomball High School | Tomball |
| TOME | Tomball Elementary | Tomball |
| TOMI | Tomball Intermediate 5-6 | Tomball |
| TOMK | Tompkins High School | Katy |
| TOMM | Tomball Memorial H S | Tomball |
| TPMS | Tomorrow's Promise Montessori | Huntsville |
| TRAF | Trafton Academy | Houston |
| TRAV | Travis Elementary | Houston |
| TRNC | Trinity Classical School 5-8 | Houston - Private |
| TRNE | Trinity Classical School K-4 | Houston - Private |
| TRNT | Trent International School | Houston |
| TRU | Truitt Middle School | Cy-Fair |
| TTUH | Texas Tech Univ HS Program | On Line |
| TWMS | Timber Woods Middle School | Humble ISD |
| UH | University of Houston | Houston |
| UHCL | University of Houston Clear Lake | Houston |
| ULR | Ulrich Intermediate | Klein |
| UNIT | United High School | Laredo |
| UOK | University of Oklahoma | |
| UOS | United Orthodox Synagogue | Houston |
| UTB | University of Texas at Brownsville | Brownsville |
| VIC | Victory Early College H S | Aldine ISD |
| VIL | The Village School | Houston Private |
| VILH | The Village High School | Houston Private |
| VILM | The Village Middle School | Houston Private |
| VOES | Valley Oaks Elementary School | Houston |
| VOGL | Vogel Elementary | Seguin |
| VPA | Victory Prep Academy | Houston |
| VWES | Valley West Elementary School | Houston ISD |
| WAES | Woodland Acres Elementary | Galena Park |
| WAIH | Westchester Academy High School | Houston - Spring Branch |
| WAIS | Westchester Academy Intermediate | Houston - Spring Branch |
| WAL | Waltrip High School | Houston |
| WALB | Walnut Bend Elementary | Houston |
| WAPS | Woodlands Academy Prep School | The Woodlands |
| WARD | Ward Elementary | Clear Lake |
| WARN | Warner Elementary | Cy-Fair |
| WCA | Westminster Christian Academy | Houston Parochial |
| WCE | Willow Creek Elementary | Tomball |
| WCP | Woodlands College Park H S | The Woodlands |
| WCR | Willow Creek Elementary | Kingwood |
| WCS | Westbury Christian School | Houston Private |
| WDCR | Wood Creek Jr High | Katy |
| WDFD | Woodford Academy Home School | Cypress |
| WDGW | Wedgewood Elementary | Friendswood |
| WDL | The Woodlands High School | The Woodlands |
| WDLA | Wharton Dual Language Academy | Houston |
| WDS | The Woods Private School | Houston - Private |
| WELC | Welch Middle School | Houston |
| WELS | Wells Intermediate | Spring |
| WES | Westfield High School | Spring |
| WESA | Wesley Academy | Houston |
| WESB | Westbrook Intermediate | League City |
| WEST | Westside High School | Houston |
| WHAR | Wharton Elementary (see WDLA) | Houston |
| WHHE | West Houston Home Educators | |
| WHHH | West Houston Home Ed - HS | |
| WHHM | West Houston Home Ed - MS | |
| WHIT | Whitby Elementary | Houston |
| WHST | Whitestone Elementary | Leander, TX |
| WHTC | Whitcomb Elementary | Clear Creek ISD |
| WIDE | W.I.D.E. School | Missouri City |
| WILB | Willbern Elementary | Cy-Fair |
| WILC | Wilchester Elementary School | Houston |
| WILD | Wilder Elementary | Pearland |
| WILK | Wilkerson Intermediate | The Woodlands |
| WILM | Williams Elementary | Magnolia |
| WILR | Williams Elementary | Richmond |
| WILS | Tom Wilson Elementary | Katy ISD |
| WINS | Winship Elementary | Spring |
| WJH | Waller Junior High | Waller |
| WLKR | Walker Station Elementary | Fort Bend |
| WLSH | Walsh Middle School | Round Rock |
| WLSN | Wilson Intermediate | Aldine |
| WMS | Westside Montessori School | Houston |
| WMSN | Williamson Elementary | Galena Park ISD |
| WNW | Wainwright Elementary | Houston |
| WOLF | Maurice Wolfe Elementary | Katy |
| WOLM | Wolman Elementary | Katy |
| WORS | Worsham Elementary | Aldine |
| WSEA | Westside Elementary | Angleton |
| WSI | Windsong Intermediate 4-6 | Friendswood |
| WTLY | Wheatley High School | Houston |
| WUNI | West University Elementary | Houston |
| WUNS | Wunsche High School | Spring |
| WVE | Windsor Village Elementary | Houston |
| WWD | Willow Wood Junior High 7-8 | Tomball |
| WWE | Westwood Elementary | Friendswood |
| YATE | Jack Yates High School | Houston |
| YEA | Yeager Elementary | Cy-Fair |
| YESH | Beth Yeshurun | Houston - Parochial |
| YMCM | See LCPM | |
| YMCP | See LCPH | |
| YOR | York Junior High | The Woodlands |
| YORK | Yorkshire Academy | Houston |
| ZOE | Zoe Learning Academy K-6 | Houston |
| a | CHESS CLUBS: | |
| cmh | Chess Masters of Houston | Houston |
| kng | K.I.N.G. Chess League | Houston |
| mts | Meenakshi Temple Society | Pearland |
| tca | The Chess Academy | Houston |
| tfk | The Friday Knights | Tomball |