Back to Schools
School Public
O Fallon High School
600 S SMILEY ST, Ofallon, IL 62269
Contact & Details
- Phone
- (618) 632-3507
- State
- IL
- School Type
- Public
School Data
- Enrollment
- 2,533 students
- Free/Reduced Lunch
- 605 students(23.9%)
- Locale
- Suburb — Large
- Congressional Dist.
- District 1712
Data from NCES/Urban Institute, updated May 19, 2026
Grade Levels
Secondary School 9-12
Map coming soon 38.58754, -89.90184
Quick Info
- Grades
- Secondary School 9-12
- Type
- Public
- Enrollment
- 2,533
- Locale
- Suburb — Large
Is something wrong?
Help keep this directory accurate. If you're an educator or community member, you can submit a correction.
Suggest an edit →