O Fallon High School
O Fallon, IL · O Fallon Twp HSD 203 · Grades 9 - 12
125th of 601 Illinois high schools statewide · better than 79%▼ Declining
O Fallon High School ranking
SchoolRow ranks O Fallon High School 125th of 601 Illinois high schools for 2024–25, based on Illinois Report Card 2024–25 English and Math results — better than 79% of high schools statewide. Its statewide percentile went from 92th in 2019 to 79th in 2025 — declining.
O Fallon High School test scores
Percent meeting or exceeding the state standard, Illinois Report Card 2024–25
O Fallon High School students
Racial and ethnic breakdown of 2,559 students (2023–24, NCES) — and how it has shifted since 2013
| Group | Trend | 2013 | 2023 | Change |
|---|---|---|---|---|
| White | 67.2% | 58.7% | ▼ 8.5 pts | |
| Black | 19.4% | 21.9% | ▲ 2.5 pts | |
| Two or more races | 6.3% | 8.6% | ▲ 2.3 pts | |
| Hispanic | 3.9% | 8.0% | ▲ 4.1 pts | |
| Asian | 2.8% | 2.7% | ▼ 0.1 pts |
Homes near O Fallon High School
Typical home value $312K in zip 62269 as of 2026-05 · trend since 2004
Data Provided by Zillow Group
High schools near O Fallon High School
Closest same-level schools, with 2024–25 state rank
- 6Lebanon High SchoolLebanon CUSD 9 · 5 mi away292nd of 601
ELA 55% · Math 31% - 4Belleville High School-EastBelleville Twp HSD 201 · 5.3 mi away371st of 601
ELA 45% · Math 32% - 5Collinsville High SchoolCollinsville CUSD 10 · 7.2 mi away321st of 601
ELA 50% · Math 33% - 9Mascoutah High SchoolMascoutah CUD 19 · 7.7 mi away86th of 601
ELA 67% · Math 59% - 3Belleville High School-WestBelleville Twp HSD 201 · 8.7 mi away433rd of 601
ELA 40% · Math 25% - 10Triad High SchoolTriad CUSD 2 · 9.2 mi away51st of 601
ELA 74% · Math 63% - 1East St Louis Senior High SchoolEast St Louis SD 189 · 10.9 mi away596th of 601
ELA 14% · Math 6% - 7Wesclin Sr High SchoolWesclin CUSD 3 · 11.3 mi away195th of 601
ELA 51% · Math 51%
Frequently asked questions
What school district is O Fallon High School in?
O Fallon High School is part of the O Fallon Twp HSD 203 district in O Fallon, Illinois.
Is O Fallon High School a good school?
SchoolRow ranks O Fallon High School 125th of 601 Illinois high schools (better than 79% statewide) based on 2024–25 test results (Illinois Report Card 2024–25).
What is the racial makeup of O Fallon High School?
White 59%, Black 22%, Two or more races 9%, Hispanic 8% (2,559 students, 2023–24).
How much do homes near O Fallon High School cost?
The typical home value in zip code 62269 is $312K as of 2026-05 (Zillow ZHVI).
Sources: state education department data (Illinois Report Card 2024–25, low-income, chronic absenteeism), National Center for Education Statistics via the Urban Institute (enrollment, demographics, staffing), Zillow Group (home values). Rankings are computed by SchoolRow from state English and Math results within grade level; they measure test performance, not everything that makes a school good.