| Map Key | School Name | School District | City | Free/Reduced Lunch Program Participation | ||
|---|---|---|---|---|---|---|
| Lebanon High School | Lebanon Community Unit School District 9 | Lebanon | 43.30% | |||
| Mascoutah High School | Mascoutah Community Unit School District 19 | Mascoutah | 21.80% | |||
| O'Fallon High School | O'Fallon Township High School District 203 | Belleville | 22.70% | |||
| Triad High School | Triad Community Unit School District 2 | Troy | 19.70% |