O Fallon High School
- 2,540 Students
- 155.5 Teachers (FTE)
- 16.3:1 Student:Teacher
- 09–12 Grade Range
- Open Status
- (618)632-3507 Phone
- http://www.oths.us Website
SchoolFinderUSA
National School Directory
O Fallon High School
O Fallon, IL 62269
High No virtual instruction Grades 09–12 SchoolScore™ D (58.2)
2,540
Students
155.5
Teachers
16.3:1
Student:Teacher
(618)632-3507
Phone
http://www.oths.us
Website
Located in O Fallon, ILLINOIS (ZIP 62269), O Fallon High School is a High school serving grades 09–12 in the O Fallon Twp HSD 203 district.
Key statistics: 2,540 students enrolled; a 16.3:1 student-to-teacher ratio.
The school is classified as Suburb: Large by the NCES locale classification system.
Data sourced from the National Center for Education Statistics (NCES) Common Core of Data (CCD), the definitive federal database of U.S. public schools, updated annually.
vs Illinois High School Average
Enrollment
2,540.0
State avg: 849.0
▲ 199% better
Student:Teacher Ratio
16.33:1
State avg: 13.7:1
▲ 19% worse
School Details
School Name
O Fallon High School
NCESSCH ID
172979003090
State School ID
IL-50-082-2030-17-500822030170001
School Type
Regular School
Level
High
Status
Open
Charter
No
Charter Auth
–
Virtual
No virtual instruction
NSLP Status
Yes participating without using any Provision or the CEO
Shared Time
No
School Year
2024-2025
Location
Address
600 S Smiley St
City
O Fallon
State
Illinois
ZIP Code
62269
County
St. Clair County
Metro Area
St. Louis, MO-IL
Metro Type
Metropolitan
Locale
Suburb: Large
Cong. District
1712
State Leg. Upper
17057
State Leg. Lower
17114
Latitude
38.58678
Longitude
-89.9015
Grades Offered
9th
10th
11th
12th
2,540
Total Students
155.5
Teachers FTE
16.3:1
Student:Teacher
Enrollment by Grade
155.5
Teachers (FTE)
Full Staff Breakdown
| Metric | Value |
|---|---|
| Teachers (FTE) | 155.5 |
National School Lunch Program Participation
Lunch Program Details
| Program | Students | % of Enrollment |
|---|---|---|
| No Category Codes | 715 | 28.1% |
| Not Applicable | 0 | 0% |
District Info
District Name
O Fallon Twp HSD 203
LEAID
1729790
State LEA ID
IL-50-082-2030-17
Phone
(618)632-3507
Website
http://www.oths.us
Type
Regular public school district that is not a component of a supervisory union
Status
Open
City
O Fallon
District Finance (F-33)
Total Revenue
$49,386K
Federal Revenue
$4,182K
State Revenue
$18,010K
Local Revenue
$27,194K
Total Expenditure
$43,510K
Instruction Exp.
$22,272K
Support Services
$15,733K
Other Current Exp.
$881K
Geographic
Nearby Schools
Public schools within ~12 miles of O Fallon High School
Comparable Schools
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FAQ
Frequently Asked Questions
Common questions about O Fallon High School, answered using official NCES data.