| Incarnate Word Academy | 2.1 |
547 | 84.3% | 0.9% | 14.6% | - | 0.2% |
| Crossroads College Preparatory School | 4.6 |
216 | 64.4% | 1.4% | 31.9% | 0.9% | 1.4% |
| Rosati-kain High School | 5.5 |
396 | 91.2% | 2.3% | 5.6% | 0.3% | 0.8% |
| Trinity Catholic High School | 5.7 |
402 | 74.9% | 1.7% | 22.9% | - | 0.5% |
| Cardinal Ritter College Prep High School | 5.8 |
388 | - | - | 100.0% | - | - |
| St Louis University High School | 6.2 |
1056 | 92.3% | 1.6% | 3.4% | - | 2.7% |
| Block Yeshiva High School | 6.7 |
65 | 100.0% | - | - | - | - |
| John Burroughs School | 6.9 |
590 | 78.6% | 2.2% | 11.7% | - | 7.5% |
| St Elizabeth Academy | 8.3 |
209 | 73.7% | 4.3% | 20.1% | 1.0% | 1.0% |
| Westminster Christian Academy | 8.6 |
865 | 88.7% | 0.9% | 7.5% | 0.1% | 2.8% |
| Villa Duchesne / Oak Hill School | 8.9 |
440 | 94.3% | 1.8% | 0.9% | 0.9% | 2.0% |
| Nerinx Hall High School | 9.3 |
619 | 92.1% | 2.3% | 2.9% | - | 2.7% |
| Bishop Du Bourg High School | 9.4 |
600 | 74.0% | 13.0% | 13.0% | - | - |
| St John The Baptist College Prep High School | 9.6 |
161 | 88.2% | 6.2% | 5.6% | - | - |
| De Smet Jesuit High School | 9.6 |
1122 | 94.9% | 0.4% | 4.0% | - | 0.6% |
| St Mary's High School | 10.0 |
409 | 90.2% | 2.4% | 4.6% | 0.5% | 2.2% |
| Visitation Academy Of St Louis | 10.4 |
410 | 1.0% | 98.5% | 0.5% | - | - |
| Christian Brothers College High School | 11.0 |
1016 | 90.5% | 1.8% | 7.2% | - | 0.6% |
| Ursuline Academy | 11.3 |
648 | 98.8% | 0.6% | 0.5% | - | 0.2% |
| St Louis Priory School | 11.9 |
396 | 88.1% | 3.3% | 1.5% | - | 7.1% |
| Lutheran High School South | 12.1 |
543 | 96.7% | 0.7% | 0.6% | 0.2% | 1.8% |
| Cor Jesu Academy | 12.2 |
579 | 96.9% | 1.2% | 0.2% | 0.7% | 1.0% |
| St John Vianney High School | 12.8 |
584 | 99.1% | 0.5% | 0.3% | - | - |
| Duchesne High School | 13.0 |
603 | 99.5% | 0.2% | 0.3% | - | - |
| Notre Dame High School | 13.4 |
405 | 98.5% | 0.5% | 0.5% | - | 0.5% |
| Thomas Jefferson School | 13.8 |
82 | 56.1% | 3.7% | 9.8% | - | 30.5% |
| Greenpark Christian Academy | 14.3 |
7 | 100.0% | - | - | - | - |
| John F Kennedy Catholic School | 14.7 |
374 | 98.1% | 1.3% | 0.5% | - | - |
| Lutheran High School Of St Charles County | 17.4 |
363 | 95.9% | 1.4% | 2.2% | - | 0.6% |
| Bais Yaakov Of Stlouis | 21.9 |
33 | 100.0% | - | - | - | - |
| Barat Academy | 24.4 |
81 | 87.7% | 2.5% | 4.9% | 2.5% | 2.5% |
| St Dominic High School | 24.5 |
731 | 98.4% | 1.4% | - | - | 0.3% |
