| St. Clair High School | 1.1 |
Regular School | 9-12 | 21.6 | 24% |
| Marysville High School | 5.8 |
Regular School | 9-12 | 21.1 | 22% |
| St. Clair County Career Prep Academy | 6.3 |
Regular School | 11-12 | - | - |
| Virtual Learning Academyof St. Clair County | 6.4 |
Other/Alternative School | 9-12 | 28.2 | 70% |
| Marine City High School | 7.8 |
Regular School | 9-12 | 19.9 | 31% |
| Port Huron High School | 10.2 |
Regular School | 9-12 | 20.4 | 54% |
| Blue Water Middle College | 10.9 |
Regular School | 9-12 | - | 11% |
| Richmond Community High School | 13.7 |
Regular School | 9-12 | 21.6 | 23% |
| Port Huron Northern High School | 13.9 |
Regular School | 9-12 | 22.0 | 38% |
| Anchor Bay High School | 14.4 |
Regular School | 9-12 | 23.0 | 24% |
| Blue Water Learning Academy | 14.5 |
Other/Alternative School | 7-12 | 36.7 | 63% |
| Algonac High School | 14.6 |
Regular School | 9-12 | 20.7 | 40% |
| Memphis High School | 15.3 |
Regular School | 9-12 | 18.2 | 37% |
| New Haven High School | 16.8 |
Regular School | 9-12 | 20.0 | 37% |
| Lake Huron Virtual & Hybrid High School | 16.8 |
Other/Alternative School | 9-12 | 7.1 | 25% |
| L'anse Creuse Public Schools Riverside - North | 17.4 |
Other/Alternative School | 9-12 | 31.0 | 40% |
| Armada High School | 19.7 |
Regular School | 9-12 | 22.5 | 16% |
| Armada Continuing Education Center | 19.9 |
Other/Alternative School | 9-12 | 47.5 | 26% |
| L'anse Creuse High School - North | 23.3 |
Regular School | 9-12 | 22.7 | 29% |
| Dianne M. Pellerin Center | 23.6 |
Other/Alternative School | 9-12 | 29.5 | 46% |
| Dakota High School | 24.7 |
Regular School | 9-12 | 20.6 | 19% |
| L'anse Creuse-mount Clemens Center For Lifelong Le | 24.9 |
Other/Alternative School | 9-12 | 12.6 | 43% |
