| Code | Name | City/State |
| ALD | Aldine High School | Aldine |
| ALHS | Alvin High School | Alvin |
| ANDB | Anderson High School | Bedias |
| ASH | Ashford Elementary | Houston |
| ASK | Askew Elementary | Houston |
| AULT | Ault Elementary | Cy-Fair |
| AUST | Austin High School | Houston |
| AWTY | AWTY International | Houston |
| BAM | Bammel Middle School | Spring |
| BANG | Bang Elementary | Cy-Fair |
| BAY | Bay City High School | Bay City |
| BAYT | Baytown Junior School | Baytown, TX |
| BBE | Bear Branch Elementary | Kingwood |
| BBH | Barbers Hill High School | Mont Belvieu |
| BEL | Bellaire High School | Houston |
| BEN | Benfer Elementary | Klein |
| BERN | Berean Christian | Humble Parochial |
| BLY | Bleyl Junior High | Cy-Fair |
| BPE | Bridge Point Elementary | Austin |
| BRCJ | Branch Crossing Jr High | Woodlands |
| BRGV | Briargrove Elementary | Houston |
| BRID | Bridge Point Elementary | Austin |
| BRK | Brookwood Elementary | Clear Creek |
| BRL | Brill Elementary | Klein |
| BRYH | Bryan High School | Bryan |
| BTW | Booker T Washington HS | Houston |
| BUNK | Bunker Hill Elementary | |
| CAM | Campbell Jr High | Cy-Fair |
| CAME | Campbell Elementary | |
| CARA | Caraway Intermediate | Aldine |
| CFP | Cy-Fair Private School | Cy-Fair Private |
| CHFL | Channelview High School | Channelview |
| CLE | Clements High School | Fort Bend |
| CLF | Clifton Middle School | Houston |
| CLKE | Clear Late Intermediate | |
| COLO | Colony Bend Elementary | |
| CON | Condit Elementary | Houston |
| COOK | Cook Intermediate | Cy-Fair |
| COOP | John Cooper | |
| COPE | Copeland Elementary | Cy-Fair |
| CORN | Cornelius Elementary | Houston |
| CRCH | Creech Elementary | Katy |
| CRK | Creekwood Middle School | Humble |
| CROS | Crossroads School | Houston, TX |
| CSMS | College Station MS | College Station |
| CTFS | Coulson Tough Flex School | |
| CYC | Cypress Creek High School | Cy-Fair |
| CYFS | Cypress Falls High School | Houston |
| DEAN | Dean Intermediate | Cy-Fair |
| DEB | DeBakey High School | Houston |
| DOE | Doerre Intermediate | Klein |
| DRPK | Deer Park High School (South) | Deer Park |
| DULM | Dulles Middle School | Fort Bend |
| DULS | Dulles High School | Fort Bend |
| DVCR | Dove & Cross School | Magnolia |
| EHR | Ehrhardt Elementary | Klein |
| EHRE | Ehrhardt Elementary | |
| EIS | Eisenhower High School | Aldine |
| ELKH | Elkins High School | |
| EMM | Emmott Elementary | Cy-Fair |
| FAY | Fay School | Houston Private |
| FCM | First Colony Middle School | Fort Bend |
| FON | Fondren Middle School | Houston |
| GAL | Galatas Elementary | Woodlands |
| GAR | Garcia Middle School | Fort Bend |
| GIB | Gibbs Elementary | Huntsville |
| GLEN | Glenloch Elementary | Woodlands |
| GLOV | Glover Elementary | Fort Bend |
| GRAC | Grace Christian School | Clear Lake Private |
| GRN | Greenwood Forest Elementary | Klein |
| GRTR | Greentree Elementary | Kingwood |
| HAM | Hamilton Jr High | Cy-Fair |
| HAND | Hancock Elementary | |
| HAR | Hartman Middle School | Houston |
| HAU | Haude Elementary | Klein |
| HAY | Hayes Elementary | Katy |
| HBAP | Houston Baptist University | Houston |
| HCMS | Hill Country Middle School | Austin |
| HERO | Herod Elementary | Houston |
| HIGH | Highlands Elementary | Fort Bend |
| HIL | Hildebrandt Intermediate | Klein |
| HITO | Hightower High School | Missouri City |
| HMJ | Horace Mann Junior High | Goose Creek |
| HOCK | Hockaday School | Irving |
| HOF | Hoffman Middle School | Houston |
| HOL | Holmes Elementary | Bay City |
| HOMB | Home Schooled | Bryan |
| HOME | Home Schooled | |
| HOU | Houser Intermediate | Woodlands |
| HSLE | High School for Law Enforcement | Houston |
| HUNI | Huntsville Intermediate | Huntsville |
| HYDE | Hyde Elementary | Clear Creek |
| INW | Inwood Baptist School | Houston Parochial |
| JHN | Scott Johnson Elementary | Huntsville |
| JHNB | Johnson Elementary | Bryan |
| JHNS | Johnston Middle School | Houston, TX |
| JLNG | Jane Long | Bryan |
| JONS | Jones High School | Houston |
| JPHE | J P Henderson Elementary | Houston |
| KELY | Kelly High School | Beaumont |
| KFHS | Klein Forest High School | Klein |
| KHS | Klein High School | Klein |
| KING | Kingwood High School | Humble |
| KINK | Kinkaid School | Houston |
| KLEB | Kleb Intermediate | Klein |
| KNGC | Kingwood Community | |
| KNGM | Kingwood Middle School | Humble |
| KNOX | Knox Jr High | Conroe |
| KOHS | Klein Oak High School | Klein |
| KRA | Krahn Elementary | Klein |
| KUE | Kuehnle Elementary | Klein |
| LAB | Labay Junior High | Cy-Fair |
| LAM | Lamar High School | Houston |
| LAN | Lanier Middle School | Houston |
| LEM | Lemm Elementary | Klein |
| LOM | Lake Olympia Middle School | Fort Bend |
| LOV | Lovett Elementary | Houston |
| LOW | Lowery Elementary | Cy-Fair |
| MAC | MacArthur High School | Aldine |
| MATZ | Matzke Elementary | Cy-Fair |
| MCA | McAllister Junior High | Bay City |
| MCM | Missouri City Middle School | Fort Bend |
| MED | Medical Center Charter School | Houston |
| MEYR | Meyer Elementary | Spring |
| MIT | Mittelstadt Elementary | Klein |
| MITC | Mitchell Intermediate | Woodlands |
| MKTW | Mark Twain Elementary | Houston |
| MNPK | Mance Park Junior High | Huntsville |
| MOOR | Moore Elementary | Cy-Fair |
| NAV | Navasota Intermediate School | Navasota |
| NAVH | Navasota High School | Navasota |