Schools in O Fallon Twp HSD 203, Illinois (2025)
1 schools · 2,540 students · 1 public · median Enrollment 2,540.
O Fallon Twp HSD 203, in Illinois, has 1 school in United States's 2025 data, together educating about 2,540 students. By level there is 1 high; by sector 1 public.
1 of the 1 schools qualify for the Success Index (US). The highest-scoring is O Fallon High School (61.1, top 50% of high schools nationally). Scores are percentiles within school type, so compare an elementary school with other elementary schools.
Ranked schools in O Fallon Twp HSD 203
Ordered by Success Index (US). Rank positions shown on each profile are within United States and Illinois.
| # | School | Sector | Success Index (US) | Key result | Students |
|---|---|---|---|---|---|
| 1 | O Fallon High School O Fallon · High · Grades 9–12 | Public | 61.1 Top 50% | 53% Math proficiency | 2,540 |
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Frequently asked questions
What is the best school in O Fallon Twp HSD 203?
O Fallon High School is the highest-ranked school in O Fallon Twp HSD 203 with a Success Index (US) of 61.1 out of 100 (Top 50% of high schools in United States).
How many schools are in O Fallon Twp HSD 203?
O Fallon Twp HSD 203 has 1 schools (1 high) educating 2,540 students in 2025.
What is the typical Enrollment in O Fallon Twp HSD 203?
The median Enrollment across schools in O Fallon Twp HSD 203 is 2,540. Students enrolled in the latest NCES directory year.