| Grades | Total | White | Black | Hispanic | Asian | American Indian | Two or more races |
| Grade 9 | 603 | 409 | 115 | 26 | 16 | 1 | 36 |
|
| Grade 10 | 666 | 455 | 111 | 41 | 16 | 2 | 41 |
|
| Grade 11 | 606 | 414 | 119 | 16 | 15 | 2 | 40 |
|
| Grade 12 | 614 | 421 | 119 | 33 | 16 | 2 | 23 |
|
| Total | 2489 | 1699 | 464 | 116 | 55 | 7 | 140 |
During school year 2010-2011(the most recent data year available), O Fallon High School High School had 2489 students and 135 full time teachers. The student ratio was 18.4. Regarding the gender, 1245 students were female, 1236 students were male. Regarding the racial makeup of the students, 1699 were white, 464 were African American, 116 were Hispanic, 55 were Asian(including Hawaiian Native/Pacific Islander), 7 were American Indian or Alaska Native, 140 were reported from two or more races.
Totally 398 students were eligible for subsidized lunch program: 312 students were eligible for free lunch, 86 students were eligible for reduced price lunch.O Fallon High School High School is located at 600 South Smiley St, O Fallon, IL 62269. The school environment is Suburb, Large Territory.
O Fallon High School High School belongs to St. Clair County and is managed by O Fallon Twp Hsd 203 school district. It serves students from grade 09 to grade 12. The school's operational status is Open, Operational. Please call their phone number 618-632-3507 for more information about the school's enrollment and education programs.
O Fallon High School's rating score is 10 out of 10 by SchoolMap.org on 2/28/2012.
School Year: 2010-2011
Data source: Institute of Education Sciences (IES), United States Department of Education
Special Code:
N: an alphanumeric value is neither expected nor measured.
-2: a numeric value is neither expected nor measured.
M: an alphanumeric value is expected but none was measured.
-1: a numeric value is expected but none was measured.