SchoolDataLookup

O Fallon High School

Regular School · O Fallon, IL

O Fallon High School is a regular school school in O Fallon, Illinois, serving grades 09–12 with 2,540 students enrolled (SY 2024-2025). The student-teacher ratio is 16.3:1.

Level
High
Grades
09 – 12
Enrollment
2,540
Teachers (FTE)
155.5
Student–Teacher Ratio
16.3:1
Status
Open
Lunch Program Participation
Yes participating without using any Provision or the CEO

Student Demographics (SY 2024-2025)

Race / Ethnicity Students Share
White 1,499 59%
Black or African American 518 20%
Two or more races 239 9%
Hispanic/Latino 205 8%
Asian 63 2%
Not Specified 13 1%
American Indian / Alaska Native 2 0%
Native Hawaiian / Pacific Islander 1 0%
Total enrollment 2,540 1,337M / 1,190F

English Language Learners: 14 (1% of enrollment) · SY 2021–22

Academic Performance (SY 2021-2022)

Metric This School State Avg Tested
Math Proficiency 32.0% +4.3pp 27.7% 623
Reading Proficiency 40.0% +7.3pp 32.7% 623

Source: EDFacts, SY 2020–2021. Suppressed values (e.g. <=10%) indicate fewer than the minimum reportable threshold.

Programs & Discipline

AP Courses
Yes (13)
265 students enrolled
Gifted & Talented
None offered
SAT/ACT Takers
640
students tested · SY 2021–22
Out-of-School Suspensions
112
4.4% of enrollment · SY 2021–22
Chronically Absent
202
8% of enrollment · SY 2019–20

Source: Civil Rights Data Collection (CRDC), Office for Civil Rights & EDFacts.

Lunch Program (SY 2024-2025)

Category Students % of School
Total enrollment (est.) 2,540 100%

Contact & Location

600 S Smiley St

O Fallon, IL 62269

Phone: (618)632-3507

http://www.oths.us

District

O Fallon Twp HSD 203

Per-pupil expenditure: $17,259

District enrollment: 2,521

NCES ID

172979003090

Data sources: NCES CCD SY 2024-2025 (directory, staff, lunch), EDFacts SY 2020-21 (assessments), CRDC SY 2021-22 (programs & discipline), SEDA v6.0 (achievement estimates). Updated annually. NCES CCD