Top Rankings
O Fallon TWP HSD 203 School District ranks among the top 20% of public school district in Illinois for:
Category
Attribute
Diversity
Most diverse schools (Top 1%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2025 school year, there is 1 public school serving 2,559 students in O Fallon TWP HSD 203 School District. This district's average testing ranking is 8/10, which is in the top 30% of public schools in Illinois.
Public School in O Fallon TWP HSD 203 School District have an average math proficiency score of 32% (versus the Illinois public school average of 26%), and reading proficiency score of 42% (versus the 30% statewide average).
Minority enrollment is 41% of the student body (majority Black), which is less than the Illinois public school average of 55% (majority Hispanic).
Overview
This School District
This State (IL)
# Schools
1 School
4,398 Schools
# Students
2,559 Students
1,845,459 Students
# Teachers
155 Teachers
136,655 Teachers
Student : Teacher Ratio
17:1
17:1
Student By Grade
District Rank
O Fallon TWP HSD 203 School District, which is ranked within the top 30% of all 844 school districts in Illinois (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 94% has stayed relatively flat over five school years.
Overall District Rank
#185 out of 852 school districts
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
(22-23)36%
27%
Reading/Language Arts Test Scores (% Proficient)
42%
30%
Science Test Scores (% Proficient)
59%
50%
Graduation Rate
(22-23)94%
87%
Students by Ethnicity:
Diversity Score
0.60
0.69
% American Indian
n/a
n/a
% Asian
3%
6%
% Hispanic
8%
28%
% Black
22%
17%
% White
59%
45%
% Hawaiian
n/a
n/a
% Two or more races
8%
4%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $17,868 in this school district is less than the state median of $22,423. The school district revenue/student has stayed relatively flat over four school years.
The school district's spending/student of $16,181 is less than the state median of $21,662. The school district spending/student has stayed relatively flat over four school years.
Total Revenue
$46 MM
$41,381 MM
Spending
$41 MM
$39,976 MM
Revenue / Student
$17,868
$22,423
Spending / Student
$16,181
$21,662
Best O Fallon TWP HSD 203 School District Public Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
O Fallon High School
Rank:
8/
Top 30%10
600 S Smiley St
O Fallon, IL 62269
(618) 632-3507
O Fallon, IL 62269
(618) 632-3507
Grades: 9-12
| 2,559 students
Frequently Asked Questions
How many schools belong to O Fallon TWP HSD 203 School District?
O Fallon TWP HSD 203 School District manages 1 public schools serving 2,559 students.
What is the rank of O Fallon TWP HSD 203 School District?
O Fallon TWP HSD 203 School District is ranked #184 out of 844 school districts in Illinois (top 30%) based off of combined math and reading proficiency testing data for the 2022-2023 school year. This district ranks in the top 20% of Illinois school districts for: Most diverse schools (Top 1%) and Largest student body (number of students) (Top 1%)
What is the racial composition of students in O Fallon TWP HSD 203 School District?
59% of O Fallon TWP HSD 203 School District students are White, 22% of students are Black, 8% of students are Hispanic, 8% of students are Two or more races, and 3% of students are Asian.
What is the student/teacher ratio of O Fallon TWP HSD 203 School District?
O Fallon TWP HSD 203 School District has a student/teacher ratio of 17:1, which is higher than the Illinois state average of 14:1.
What is O Fallon TWP HSD 203 School District's spending/student ratio?
The school district's spending/student of $16,181 is less than the state median of $21,662. The school district spending/student has stayed relatively flat over four school years.
Recent Articles

Understanding Self-Contained Classrooms in Public Schools
Learn about the history of public schools incorporating self-contained classrooms, and whether they are right for your child.

Can Naviance Succeed Improve College and Career Readiness?
Learn about a new student assessment system, Naviance Succeed, which provides tools and support to increase student college and career readiness. A number of school districts are using the tool this year in hopes of improving student performance through more accurate assessment process than are currently available.

Do You Need After School Day Care? Public Schools May Be the Solution
Learn about how your child's public school may be the best source of after school and vacation day care.