| School Name | Grades | Address | Zip | Phone | County | Type | District Name |
| Southwestern High School | 9-12 | P.O. Box 100 Piasa, IL | 62079 | (618) 729-3211 | Macoupin | public | Southwestern Cusd 9 |
| Southwestern Middle School | 7-8 | P.O. Box 70 Piasa, IL | 62079 | (618) 729-3217 | Macoupin | public | Southwestern Cusd 9 |