| Barat Academy | 3.2 |
81 | 87.7% | 2.5% | 4.9% | 2.5% | 2.5% |
| St Dominic High School | 7.1 |
731 | 98.4% | 1.4% | - | - | 0.3% |
| Lutheran High School Of St Charles County | 8.0 |
363 | 95.9% | 1.4% | 2.2% | - | 0.6% |
| St Louis Priory School | 11.8 |
396 | 88.1% | 3.3% | 1.5% | - | 7.1% |
| Duchesne High School | 11.9 |
603 | 99.5% | 0.2% | 0.3% | - | - |
| John F Kennedy Catholic School | 11.9 |
374 | 98.1% | 1.3% | 0.5% | - | - |
| Christian Brothers College High School | 13.1 |
1016 | 90.5% | 1.8% | 7.2% | - | 0.6% |
| De Smet Jesuit High School | 13.5 |
1122 | 94.9% | 0.4% | 4.0% | - | 0.6% |
| Visitation Academy Of St Louis | 14.0 |
410 | 1.0% | 98.5% | 0.5% | - | - |
| Westminster Christian Academy | 14.9 |
865 | 88.7% | 0.9% | 7.5% | 0.1% | 2.8% |
| Villa Duchesne / Oak Hill School | 15.2 |
440 | 94.3% | 1.8% | 0.9% | 0.9% | 2.0% |
| Block Yeshiva High School | 15.9 |
65 | 100.0% | - | - | - | - |
| John Burroughs School | 17.8 |
590 | 78.6% | 2.2% | 11.7% | - | 7.5% |
| St John Vianney High School | 18.1 |
584 | 99.1% | 0.5% | 0.3% | - | - |
| Ursuline Academy | 18.5 |
648 | 98.8% | 0.6% | 0.5% | - | 0.2% |
| Thomas Jefferson School | 19.4 |
82 | 56.1% | 3.7% | 9.8% | - | 30.5% |
| Incarnate Word Academy | 20.2 |
547 | 84.3% | 0.9% | 14.6% | - | 0.2% |
| Nerinx Hall High School | 20.2 |
619 | 92.1% | 2.3% | 2.9% | - | 2.7% |
| St Francis Borgia Regional High School | 21.1 |
538 | 99.1% | 0.4% | - | - | 0.6% |
| Cor Jesu Academy | 21.4 |
579 | 96.9% | 1.2% | 0.2% | 0.7% | 1.0% |
| Lutheran High School North | 21.9 |
379 | 32.5% | 1.3% | 65.7% | - | 0.5% |
| Lutheran High School South | 22.0 |
543 | 96.7% | 0.7% | 0.6% | 0.2% | 1.8% |
| Crossroads College Preparatory School | 22.0 |
216 | 64.4% | 1.4% | 31.9% | 0.9% | 1.4% |
| Bishop Du Bourg High School | 22.8 |
600 | 74.0% | 13.0% | 13.0% | - | - |
| St Louis University High School | 23.3 |
1056 | 92.3% | 1.6% | 3.4% | - | 2.7% |
| Greenpark Christian Academy | 23.5 |
7 | 100.0% | - | - | - | - |
| Rosati-kain High School | 23.8 |
396 | 91.2% | 2.3% | 5.6% | 0.3% | 0.8% |
| St John The Baptist College Prep High School | 24.4 |
161 | 88.2% | 6.2% | 5.6% | - | - |
| Cardinal Ritter College Prep High School | 24.8 |
388 | - | - | 100.0% | - | - |
