Enrollment
598
Illinois · 2024-25 NCES data
Other / mixed grade configuration · O Fallon, IL
Marie Schaefer Elem School
Federal NCES profile for Marie Schaefer Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataOther / mixed grade configurationNCES 172976003767
👥 S:T ratio 28
🌟 Gifted program 30
📋 Attendance 50
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Marie Schaefer Elem School earns 36/100 on the Resource Investment Index, with class sizes larger than 91% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #5 of 5
- schools in O Fallon · Resource Index
- 36
- Resource Index · Typical
- 18.1:1
- large classes for Illinois
- 598
- students enrolled
Marie Schaefer Elem School has class sizes larger than 91% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Marie Schaefer Elem School ranks #5 of 5 schools in O Fallon, IL.
School address
District: O Fallon Ccsd 90 · Illinois
NCES ID 172976003767 Verify on NCES CCD record →
Teachers (FTE)
33.0
Federal CCD staff survey
Students per teacher
18.1:1
vs 14:1 Illinois avg
+29% vs state
Student-teacher ratio in context
How Marie Schaefer Elem School compares with Illinois and U.S. medians
What stands out at Marie Schaefer Elem School
Marie Schaefer Elem School is a mid-sized combined-grade school in O Fallon, Illinois, enrolling 598 students.
Class loads run heavy: 18.1:1 is larger than about 91% of Illinois schools and 29% above the 14:1 state mean, so each teacher carries more students than is typical.
Enrollment of 598 puts it in the larger third of Illinois schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 3,845 scored Illinois schools.
Its student body is led by White (58%) and African American (23%), more mixed than most schools in the state (diversity index 59/100).
Attendance runs somewhat below the norm, with 19.9% of students chronically absent per the 2021-22 civil-rights collection.
The surrounding O Fallon Ccsd 90 spends $11,064 per pupil, 35% below the Illinois average, a leaner-resourced district than most.
Among O Fallon's public schools, it stands alongside Delores Moye Elem School (595 students): Marie Schaefer Elem School is larger than that campus by headcount and runs heavier classes (18.1:1 vs 14.9:1).
O Fallon Ccsd 90 also operates Fulton Jr High School (667 students) and Amelia V Carriel Jr High (664 students) alongside Marie Schaefer Elem School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Marie Schaefer Elem School compares
Marie Schaefer Elem School on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 18.1:1 | ▲ 29% | 14:1 | 15.7:1 |
| Enrollment | 598 | top 21% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
18.1:1
Leaner classes than 24% of US schools, heavier class loads than most.
598
Bigger than 72% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
18.1:1
students per teacher
- 29% above state mean
Top 91% in Illinois - lower ratio than 9% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
19.9%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$11,064
per pupil, district-wide
- below Illinois avg of $17,042
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
3
in-school suspensions + 0 out-of-school
Suspension rate: 0.5 per 100 students. Combined in-school and out-of-school rate: 0.5 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 58.2%
African American 23.1%
Two or More 10.4%
Hispanic or Latino 4.7%
Asian 3.3%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 58.2% of enrollment.
Student-body diversity index 59.4/100
Simpson diversity index - at 59.4, Marie Schaefer Elem School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for O Fallon Ccsd 90, which includes Marie Schaefer Elem School.
$11,064
Per student
-35%
vs Illinois
Avg $17,042
-33%
vs U.S.
Avg $16,593
Revenue mix
Local 49.8%
State 38.9%
Federal 11.3%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Marie Schaefer Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Fulton Jr High School | Similar size | No free-lunch data | Higher S:T ratio |
| Amelia V Carriel Jr High | Similar size | No free-lunch data | Higher S:T ratio |
| Delores Moye Elem School | Similar size | No free-lunch data | Lower S:T ratio |
| Estelle Kampmeyer Elem School | Similar size | No free-lunch data | Similar S:T ratio |
| J Emmett Hinchcliffe Sr Elem Sch | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Marie Schaefer Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 667
- Students per teacher
- 19.6:1
- Resource Index
- 37/100
- Enrollment
- 664
- Students per teacher
- 21.4:1
- Resource Index
- 32/100
- Enrollment
- 595
- Students per teacher
- 14.9:1
- Resource Index
- 43/100
- Enrollment
- 465
- Students per teacher
- 18.6:1
- Resource Index
- 38/100
- Enrollment
- 452
- Students per teacher
- 17.4:1
- Resource Index
- 46/100
Similar other schools in O Fallon
4 comparable other schools (grades Mixed) serving the same city.
Delores Moye Elem School
Standard public school
595 students 14.9:1 students per teacher
Estelle Kampmeyer Elem School
Standard public school
465 students 18.6:1 students per teacher
J Emmett Hinchcliffe Sr Elem Sch
Standard public school
452 students 17.4:1 students per teacher
Central Elem School
Standard public school
330 students 10.3:1 students per teacher
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Illinois, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~598 students)
Similar student-teacher ratio (~18.1:1)
Next steps
Verify locally before acting on Marie Schaefer Elem School's federal record.
- Compare Marie Schaefer Elem School against another school. Compare schools
- O Fallon Ccsd 90's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Marie Schaefer Elem School
How many students attend Marie Schaefer Elem School?
Marie Schaefer Elem School has 598 students enrolled. It is a public school in O Fallon, IL.
What is the student-teacher ratio at Marie Schaefer Elem School?
The student-teacher ratio at Marie Schaefer Elem School is 18.1:1, which is 29% higher than the Illinois average of 14:1 and 15% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Marie Schaefer Elem School?
The largest demographic group at Marie Schaefer Elem School is White at 58.2% of enrollment, in O Fallon, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 59.4/100.
What is the Resource Investment Index for Marie Schaefer Elem School?
Marie Schaefer Elem School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Marie Schaefer Elem School rank among schools in O Fallon?
By Resource Investment Index, Marie Schaefer Elem School ranks #5 of 5 schools in O Fallon, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in O Fallon on the city page.
Is Marie Schaefer Elem School a good school?
Marie Schaefer Elem School earns 36/100 on the Resource Investment Index, with class sizes larger than 91% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in O Fallon Ccsd 90?
Besides Marie Schaefer Elem School, O Fallon Ccsd 90 also operates Fulton Jr High School (667 students), Amelia V Carriel Jr High (664 students), and Delores Moye Elem School (595 students). See the O Fallon Ccsd 90 district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.