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District profile / Illinois

O Fallon CCSD 90

O Fallon, Illinois · Superintendent: Dr. Carrie E Hruby · #92 of 376 Illinois districts by enrollment

Compare with peers
3,862
Students
2024-25 school year
7
Schools
2024-25 school year
$11,909
Spending per student
FY2020-21 · 29% below the Illinois median
17.2
Students per teacher
2024-25 · Illinois median 13.6

O Fallon CCSD 90 is a public school district based in O Fallon, Illinois, serving 3,862 students in 7 schools. By enrollment it ranks #92 of the 376 Illinois districts with 1,000 or more students, larger than about 76% of them. Its schools average 552 students each, more than the Illinois median of 465. Its superintendent is Dr. Carrie E Hruby. It spends about $11,909 per student on day-to-day operations, 29% less than the Illinois median. It has roughly 17.2 students per teacher.

How O Fallon CCSD 90 compares

O Fallon CCSD 90Illinois median, districts with 1,000+ students
Spending per student$11,909
Illinois median $16,815 · 29% below · FY2020-21
Instruction spending per student$7,019
Illinois median $10,013 · 30% below · FY2020-21
Students per school552
Illinois median 465 · 19% above · 2024-25
Students per teacher17.2
Illinois median 13.6 · 26% above · 2024-25
Students per counselor1,931
Illinois median 490 · 294% above · 2024-25

Spending and staffing

Where the money comes from$51.1 million in revenue · FY2020-21
Federal 8%State 47%Local 46%
MeasureO Fallon CCSD 90Illinois medianYear
Current spending per student$11,909$16,815FY2020-21
Instruction spending per student$7,019$10,013FY2020-21
Total spending$48.4 millionn/aFY2020-21
Total revenue$51.1 millionn/aFY2020-21
Teachers (full-time equivalent)224n/a2024-25
Total staff (full-time equivalent)582n/a2024-25
Students per teacher17.213.62024-25
Students per counselor1,9314902024-25

Spending: NCES school district finance survey (F-33), FY2020-21. Staffing and enrollment: NCES Common Core of Data, 2024-25. Via the Urban Institute Education Data Portal. The Illinois median compares districts with 1,000 or more students.

Dr. Carrie E Hruby

Superintendent, O Fallon CCSD 90

Source: Illinois State Board of Education, Directory of Educational Entities, checked 2026-10-19. Report a change

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Peer districts in Illinois

Compare side by side →
DistrictStudentsSchoolsSpending per studentStudents per teacherRank
Kaneland CUSD 302Maple Park3,9087$19,83712.1#90
Galesburg CUSD 205Galesburg3,8638$14,70014.0#91
O Fallon CCSD 90O Fallon · this district3,8627$11,90917.2#92
DuPage HSD 88Addison3,8302$23,06816.6#93
Hinsdale Twp HSD 86Hinsdale3,8153$27,82912.8#94

Similar-size districts nationally

DistrictStudentsSpending per studentStudents per teacher
Grenada School DistrictGrenada, MS3,863$9,50413.8
Mahopac Central School DistrictMahopac, NY3,863$29,34310.6
Cherokee CountyCentre, AL3,860$10,91417.7
Greenbrier School DistrictGreenbrier, AR3,858$9,55916.3

Peers are the districts closest in enrollment, so they can still differ in many other ways. Enrollment, school counts and phone numbers are from the NCES Common Core of Data, 2024-25.