O Fallon High School

O Fallon, Illinois · Public High School · O Fallon Twp HSD 203 · Open

Key statistics

2,540

Students enrolled

156

Classroom teachers (FTE)

16.3:1

Students per teacher

Data source: National Center for Education Statistics, Common Core of Data. School year: 2024-25.

Grades served

09–12

School level

High

School type

Regular

Address

600 S Smiley St, O Fallon IL 62269

Phone

School district

County

St. Clair County

NCES School ID

172979003090

Part of

1 public schools · 2,540 students

View District