ILHighProfile data from NCES 2023-24
O Fallon High School — School Profile & District Info
High|O Fallon, Illinois|O Fallon Twp HSD 203
O Fallon, IL 62269
School Profile
Grades
9–12
Enrollment
2,559
Student:Teacher
16.5:1
Locale
Suburban
District
O Fallon Twp HSD 203Phone
(618)632-3507School Statistics
Academics (SY 2020-21)
ELA Proficiency
40%
67th percentile in IL
Math Proficiency
32%
63th percentile in IL
Chronic Absenteeism
12.1%
SY 2019-20
Programs & Activities (SY 2021-22)
AP Program
13 courses offered
Dual Enrollment
Athletics
14 sports offered
Student-Teacher Ratio: 17.3:1
Worse than average in ILDistrict Finance (FY 2023)
Per-Pupil Spending
$15,425
District-level data
Funding Sources
Federal 9%State 37%Local 55%
Community Context
Community Need Level
Moderate
CDC/ATSDR Social Vulnerability Index 2022
Enrollment Trend (2014-2025)
2,540
Current enrollment
Stable(+3% 5yr)Frequently Asked Questions about O Fallon High School
As of the most recent data, 2,559 students are enrolled at O Fallon High School. It is a High school within the local district.
Calendar Guides
School profiles: Data from NCES Common Core of Data. Calendar events from district calendar sources, updated automatically.