| Bishop DuBourg High School |
St. Louis |
9-12 |
| Cardinal Ritter College Prep High School |
St. Louis |
9-12 |
| Chaminade College Preparatory School |
St. Louis |
6-12 |
| Christian Brothers College High School |
St. Louis |
9-12 |
| Cor Jesu Academy |
St. Louis |
9-12 |
| De Smet Jesuit High School |
St. Louis |
9-12 |
| Duchesne High School |
St. Charles |
9-12 |
| Incarnate Word Academy |
St. Louis |
9-12 |
| Nerinx Hall High School |
St. Louis |
9-12 |
| Notre Dame High School |
St. Louis |
9-12 |
| Rosati-Kain Academy |
St. Louis |
9-12 |
| Saint Louis Priory School |
St. Louis |
9-12 |
| St. Dominic High School |
O'Fallon |
9-12 |
| St. Francis Borgia High School |
Washington |
9-12 |
| St. John Vianney High School |
St. Louis |
9-12 |
| St. Joseph's Academy |
St. Louis |
9-12 |
| St. Louis University High School |
St. Louis |
9-12 |
| St. Mary's South Side Catholic High School |
St. Louis |
9-12 |
| St. Pius X High School |
Festus |
9-12 |
| St. Vincent de Paul Catholic High School |
Perryville |
9-12 |
| Ursuline Academy |
St. Louis |
9-12 |
| Valle Catholic High School |
Ste. Genevieve |
9-12 |
| Villa Duchesne |
St. Louis |
7-12 |
| Visitation Academy |
St. Louis |
9-12 |
