The Southwest Preparatory Conference (SPC) is an athletic conference for large, elite private high schools in Texas. It is composed of the following schools:
| * | Indicates member joining in 2026–27 | ||||||
| Institution | Location | Year Founded | Population | Type | Nickname | Colors | Former TAPPS Member? |
|---|---|---|---|---|---|---|---|
| Awty International School | Houston, Texas | 1956 | 1,754 (2022) | Coed (Nonsectarian) | Rams | Green, Gold | Yes |
| Cistercian Preparatory School | Irving, Texas | 1962 | 355 (2020) | Boys (Catholic) | Hawks | Black, White | Yes [1] |
| Duchesne Academy of the Sacred Heart | Houston, Texas | 1960 | 750 (2022) | Girls (Catholic) | Chargers | Navy, Light Blue | Yes |
| Episcopal High School | Bellaire, Texas | 1983 | 797 (2020) | Coed (Episcopal) | Knights | Blue, White | Yes |
| Episcopal School of Dallas | Dallas, Texas | 1974 | 1,170+ | Coed (Episcopal) | Eagles | Blue, White | Yes [1] |
| Fort Worth Country Day School | Fort Worth, Texas | 1963 | 1,116 | Coed (Nonsectarian) | Falcons | Red, Blue | Yes [2] |
| Greenhill School | Addison, Texas | 1950 | 1,279 | Coed (Nonsectarian) | Hornets | Green, Gold | No |
| Hockaday School | Dallas, Texas | 1913 | 1,113 [3] | Girls (Nonsectarian) | Daisies | Green, White | No |
| Houston Christian High School | Houston, Texas | 1998 | 470 (2021) | Coed (Christian) | Mustangs | Blue, White | Yes |
| The John Cooper School | The Woodlands, Texas | 1988 | 1,365 | Coed (Nonsectarian) | Dragons | Green, Black | Yes |
| The Kinkaid School | Piney Point Village, Texas | 1906 | 1,375 (2015) | Coed (Nonsectarian) | Falcons | Purple, Gold | Yes [4] |
| The Oakridge School | Arlington, Texas | 1979 | 800 (2017) | Coed (Nonsectarian) | Owls | Green, Navy | Yes [2] |
| St. Andrew's Episcopal School | Austin, Texas | 1952 | 941 | Coed (Episcopal) | Highlanders | Blue, Black, White | No |
| St. John's School | Houston, Texas | 1946 | 1,493 | Coed (Nonsectarian) | Mavericks | Red, Black | No |
| Saint Mary's Hall * [5] | San Antonio, Texas | 1879 | 790 | Coed (Christian) | Barons | Purple, White | Yes |
| St. Mark's School of Texas | Dallas, Texas | 1906 | 911 | Boys (Episcopal) | Lions | Blue, Gold | No |
| St. Stephen's Episcopal School | Austin, Texas | 1950 | 694 | Coed (Episcopal) | Spartans | Purple, Red | No |
| Texas Military Institute* [5] | San Antonio, Texas | 1893 | 552 | Coed (Episcopal) | Panthers | Black, Gold | Yes |
| Trinity Valley School | Fort Worth, Texas | 1959 | 1,017 (2020) | Coed (Nonsectarian) | Trojans | Blue, White | No |
| Institution | Location | Year Founded | Population | Type | Nickname | Colors | Left SPC | Current Conference |
|---|---|---|---|---|---|---|---|---|
| All Saints' Episcopal School | Fort Worth, Texas | 1951 | 1,264 [6] | Coed (Episcopal) | Saints | Navy, White | 2018 [7] | TAPPS [a] |
| Allen Academy [8] | Bryan, Texas | 1886 | 340 | Coed (Nonsectarian) | Rams | Blue, Gold | 1970s | TAPPS |
| Casady School | Oklahoma City, Oklahoma | 1947 | 1,020 | Coed (Episcopal) | Cyclones | Navy Blue, White | 2024 [9] | OSSAA |
| Holland Hall | Tulsa, Oklahoma | 1922 | 1,034 | Coed (Episcopal) | Dutch | Red, Black, White | 2016 [10] [7] | OSSAA |
| Lutheran High School [8] | Houston, Texas | 1949 | 960 | Coed (Lutheran) | Pioneers | Green, Silver | 1970s | TAPPS |
| Saint Mary's Hall | San Antonio, Texas | 1879 | 790 | Coed (Christian) | Barons | Purple, White | 2016 [7] | TAPPS |
| Wichita Collegiate School [8] | Wichita, Kansas | 1963 | 966 | Coed (Nonsectarian) | Spartans | Royal Blue, Gold | N/A | AVCTL [b] |