| School Name | Website | District | Members |
|---|
| A&M Consolidated | | College Station ISD | 6 |
| Aldine High School | www.aldinealumni.com | Aldine ISD | 195 |
| Alief Taylor High School | | Alief ISD | 4 |
| Alvin High School | | Alvin ISD | 9 |
| Angleton High School | | Angleton ISD | 13 |
| Atacocita High School | www.atascocitaalumni.com | Humble ISD | 1 |
| Austin High School | www.stephenfaustinalumni.com | Houston ISD | 8 |
| Awty International School | | Private Schools - Houston | 0 |
| B.T. Washington High School | www.bookertwashingtonclassmates.com | Houston ISD | 5 |
| Ball High School | | Galveston ISD | 6 |
| Banff School | | Private Schools - Houston | 2 |
| Baytown Lee High School | | Goose Creek ISD | 2 |
| Baytown Sterling High School | | Goose Creek ISD | 4 |
| Beaumont Central High School | | Beaumont ISD | 3 |
| Beaumont West Brook | | Beaumont ISD | 1 |
| Bellaire High School | www.bellairehighalumni.com | Houston ISD | 545 |
| Brazosport High School | | Brazosport ISD | 3 |
| Brazoswood High School | | Brazosport ISD | 5 |
| Brenham High School | www.brenhamalumni.com | Brenham ISD | 282 |
| Bryan High School | | Bryan ISD | 2 |
| Calvin Nelms High School | | Katy ISD | 0 |
| Caney Creek High School | www.caneycreekalumni.com | Conroe ISD | 32 |
| Carver High School | | Aldine ISD | 1 |
| Channelview High School | | Channelview ISD | 15 |
| Chavez High School | www.chavezalumni.com | Houston ISD | 2 |
| Cinco Ranch High School | www.cincoranchalumni.com | Katy ISD | 117 |
| Clear Brook High School | | Clear Creek ISD | 11 |
| Clear Creek High School | www.clearcreekalumni.com | Clear Creek ISD | 784 |
| Clear Lake High School | www.clearlakealumni.com | Clear Creek ISD | 801 |
| Clear View High School | | Clear Creek ISD | 3 |
| Clements High School | www.clementsalumni.com | Fort Bend ISD | 141 |
| Cleveland High School | | Cleveland ISD | 2 |
| Columbia High School | | Columbia-Brazoria ISD | 1 |
| Concordia Lutheran High School | | Private Schools - Houston | 1 |
| Conroe High School | www.conroealumni.com | Conroe ISD | 764 |
| Cy-Creek High School | www.cycreekalumni.com | Cypress Fairbanks ISD | 2,501 |
| Cy-Fair High School | www.cyfairalumni.com | Cypress Fairbanks ISD | 3,918 |
| Cy-Falls High School | www.cyfallsalumni.com | Cypress Fairbanks ISD | 3,559 |
| Cy-Ridge High School | www.cyridgealumni.com | Cypress Fairbanks ISD | 305 |
| Cy-Springs High School | www.cyspringsalumni.com | Cypress Fairbanks ISD | 556 |
| Cy-Woods High School | www.cywoodsalumni.com | Cypress Fairbanks ISD | 42 |
| Cypress Community Christian School | | Private Schools - Houston | 2 |
| Davis High School | www.davisclassmates.com | Houston ISD | 4 |
| Debakey High School | | Houston ISD | 1 |
| Deer Park High School | | Deer Park ISD | 18 |
| Dobie High School | www.dobiealumni.com | Pasadena ISD | 107 |
| Duchesne Academy of the Sacred Heart | | Private Schools - Houston | 1 |
| Dulles High School | www.dullesalumni.com | Fort Bend ISD | 338 |
| Eisenhower High School | www.eisenhoweralumni.com | Aldine ISD | 739 |
| Elkins High School | | Fort Bend ISD | 11 |
| Elsik High School | www.elsikalumni.com | Alief ISD | 388 |
| Episcopal High School | | Private Schools - Houston | 6 |
| Family Christian Academy | | Private Schools - Houston | 0 |
| FB Austin High School | | Fort Bend ISD | 9 |
| FB Marshall High School | | Fort Bend ISD | 0 |
| Forest Brook High School | | North Forest ISD | 8 |
| Foster High School | | Lamar CSID | 2 |
| Friendswood High School | | Friendswood ISD | 12 |
| Furr High School | | Houston ISD | 10 |
| Galena Park High School | www.galenaparkalumni.com | Galena Park ISD | 76 |
| George Bush High School | | Fort Bend ISD | 4 |
| Hastings High School | www.hastingsalumni.com | Alief ISD | 230 |
| Hempstead High School | www.hempsteadalumni.com | Hempstead ISD | 16 |
| High School For the Performing and Visual Arts | | Houston ISD | 7 |
| Hightower High School | | Fort Bend ISD | 1 |
| Houston Christian High School | | Private Schools - Houston | 3 |
| HoustonClassmates.com | www.houstonclassmates.com | (None) | 695 |
| Humble High School | www.humblealumni.com | Humble ISD | 350 |
| Huntsville High School | www.huntsvillealumni.com | Huntsville ISD | 86 |
| Incarnate Word Academy | | Private Schools - Houston | 6 |
| Jersey Village High School | www.jvalumni.com | Cypress Fairbanks ISD | 9,510 |
| Jones High School | | Houston ISD | 2 |
| Kashmere High School | www.kashmerealumni.com | Houston ISD | 19 |
| Katy High School | www.katyalumni.com | Katy ISD | 906 |
| Katy Taylor High School | www.katytayloralumni.com | Katy ISD | 1,453 |
| Kempner High School | www.kempneralumni.com | Fort Bend ISD | 110 |
| Kerr High School | | Alief ISD | 5 |
| Kingwood High School | www.kingwoodalumni.com | Humble ISD | 612 |
| Kinkaid School | | Private Schools - Houston | 3 |
| Klein Collins High School | www.kleincollinsalumni.com | Klein ISD | 199 |
| Klein Forest High School | www.kleinforestalumni.com | Klein ISD | 1,905 |
| Klein High School | www.kleinalumni.com | Klein ISD | 2,867 |
| Klein Oak High School | www.kleinoakalumni.com | Klein ISD | 2,751 |
| La Porte High School | | La Porte ISD | 5 |
| Lamar Consolidated High School | | Lamar CSID | 14 |
| Lamar High School | www.lamarclassmates.com | Houston ISD | 124 |
| Langham Creek High School | www.langhamcreekalumni.com | Cypress Fairbanks ISD | 3,109 |
| Law Enforcement and Criminal Justice | | Houston ISD | 158 |
| Lee High School | www.leeclassmates.com | Houston ISD | 142 |
| Livingston High School | | Livingston ISD | 4 |
| Lufkin High School | | Lufkin ISD | 4 |
| Luthern High North | | Private Schools - Houston | 8 |
| Luthern South Academy | | Private Schools - Houston | 41 |
| MacArthur High School | www.macarthurclassmates.com | Aldine ISD | 34 |
| Madison High School | www.madisonclassmates.com | Houston ISD | 66 |
| Magnolia High School | www.magnoliaalumni.com | Magnolia ISD | 434 |
| Manvel High School | | Alvin ISD | 1 |
| Marian Christian High School | | Private Schools - Houston | 1 |
| Marshall High School | | Fort Bend ISD | 0 |
| Mayde Creek High School | www.maydecreekalumni.com | Katy ISD | 2,980 |
| McCullough High School | www.mcculloughalumni.com | Conroe ISD | 2,512 |
| Memorial Hall School | | Private Schools - Houston | 6 |
| Memorial High School | www.memorialalumni.com | Spring Branch ISD | 124 |
| Milby High School | www.milbyclassmates.com | Houston ISD | 175 |
| Montgomery High School | www.montgomeryalumni.com | Montgomery ISD | 224 |
| Morton Ranch High School | www.mortonranchalumni.com | Katy ISD | 54 |
| Mount Carmel High School | | Private Schools - Houston | 3 |
| New Caney High School | | New Caney ISD | 6 |
| Nimitz High School | www.nimitzclassmates.com | Aldine ISD | 71 |
| Northbrook High School | www.northbrookalumni.com | Spring Branch ISD | 217 |
| Northland Christian School | | Private Schools - Houston | 4 |
| Northshore High School | www.northshorealumni.com | Galena Park ISD | 74 |
| Oak Ridge High School | www.oakridgeclassmates.com | Conroe ISD | 425 |
| Pasadena High School | www.pasadenaalumni.com | Pasadena ISD | 94 |
| Pasadena Memorial High School | www.pasadenamemorialalumni.com | Pasadena ISD | 8 |
| Pearland High School | www.pearlandalumni.com | Pearland ISD | 44 |
| Port Neches-Groves High School | | Port Neches - Groves ISD | 3 |
| Reagan High School | www.reaganclassmates.com | Houston ISD | 46 |
| River Oaks Academy | | Private Schools - Houston | 0 |
| Robert M. Beren Academy | | Private Schools - Houston | 0 |
| Saint Agnes Academy | | Private Schools - Houston | 4 |
| Saint John | | Private Schools - Houston | 1 |
| Saint Pius X High School | | Private Schools - Houston | 11 |
| Saint Thomas High School | www.sthalumni.com | Private Schools - Houston | 47 |
| Sam Houston High School | www.samhoustonalumni.com | Houston ISD | 39 |
| Sam Rayburn High School | | Pasadena ISD | 21 |
| Scarborough High School | www.scarboroughalumni.com | Houston ISD | 163 |
| Sealy High School | | Sealy ISD | 1 |
| Second Baptist School | | Private Schools - Houston | 2 |
| Seven Lakes High School | www.sevenlakesalumni.com | Katy ISD | 2 |
| Sharpstown High School | www.sharpstownalumni.com | Houston ISD | 7 |
| Smiley High School | | North Forest ISD | 5 |
| South Houston High School | www.southhoustonalumni.com | Pasadena ISD | 38 |
| Spring Branch High School | | Spring Branch ISD | 1 |
| Spring High School | www.springalumni.com | Spring ISD | 1,725 |
| Spring Woods High School | www.springwoodsalumni.com | Spring Branch ISD | 193 |
| Stafford High School | | Stafford ISD | 6 |
| Sterling High School | | Houston ISD | 11 |
| Strake Jesuit College Preparatory School | | Private Schools - Houston | 2 |
| Stratford High School | www.stratfordhighalumni.com | Spring Branch ISD | 166 |
| Sweetwater Christian School | | Private Schools - Houston | 1 |
| Tarkington High School | www.tarkingtonalumni.com | Tarkington ISD | 12 |
| Terry High School | | Lamar CSID | 6 |
| Texas Christian School | | Private Schools - Houston | 3 |
| Tomball High School | www.tomballalumni.com | Tomball ISD | 563 |
| Victoria Memorial High School | | Victoria ISD | 0 |
| Waller High School | www.walleralumni.com | Waller ISD | 33 |
| Waltrip High School | www.waltripclassmates.com | Houston ISD | 32 |
| Westbury Christian School | | Private Schools - Houston | 2 |
| Westbury High School | | Houston ISD | 16 |
| Westfield High School | www.westfieldalumni.com | Spring ISD | 1,849 |
| Westside High School | www.westsideclassmates.com | Houston ISD | 10 |
| Wheatley High School | www.wheatleyalumni.com | Houston ISD | 4 |
| Willis High School | | Willis ISD | 4 |
| Willowridge High School | | Fort Bend ISD | 7 |
| Woodlands College Park High School | www.collegeparkalumni.com | Conroe ISD | 4 |
| Woodlands High School | www.woodlandsalumni.com | Conroe ISD | 444 |
| Worthing High School | | Houston ISD | 3 |
| Yates High School | www.yatesalumni.com | Houston ISD | 8 |