O'Fallon High School

Grades: 9-12
Students: 2502
Type: Public
GreatSchools Rating
Student-Teacher Ratio: 15:1
Student-Counselor Ratio: 354:1
Certified Teachers: 100%
Community Reviews
18 Reviews
Additional GreatSchools Ratings
NA
Test Scores
5/10
Equity
NA
Academic Progress
6/10
College Readiness
NA
Student Growth

Community Reviews

Great Schools
Read what parents are saying about O'Fallon High School
School does not accommodate students and doesn't provide adequate education resources.
Posted by a parent on 11/5/2025
OTHS will do just about anything BUT support their staff. If you plan to send your students here, or you want to work here, know there will be no support. Getting anything done is like getting teeth pulled, the district welcomes people who use school devices for inappropriate activities and the inco
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Posted by a community member on 9/19/2025
We’ve had multiple kids at OTHS and overall it’s been a good experience. My kids are in all honors core classes and they have been sufficiently challenged and prepared for college. The music program is hands down amazing and the drama, choir, cross country programs are also top notch. The single tim
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Posted by a parent on 9/10/2025
OTHS is bad in a handful of ways, definitely more ways than good. Starting off with the building, it's crammed. The halls are narrow, the middle section is filled with intersections that you don't end up making it through. The parking situation is outrageous. First of all there's 3 parking lots, 2 o
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Posted by a student on 7/20/2025
Admin will sweep almost everything under the rug. Teachers scream at special ed students like no tomorrow and get reported multiple times by families and nothing is done about it. The energy in some of the classrooms is very negative and admin will do just about anything but support their staff.
Posted by a teacher on 4/1/2025

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O'Fallon schools - O'Fallon High School is located at 600 South Smiley Street, O'Fallon IL 62269. O'Fallon High School is in the O Fallon Twp Hsd 203 School District. O'Fallon High School is a Public school that serves grade levels 9-12.

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