Enrollment
270
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Centralia, IL
Schiller Elem School
Federal NCES profile for Schiller Elem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 22/100.
2024-25 NCES dataOther / mixed grade configurationNCES 170927000536
👥 S:T ratio 36
🌟 Gifted program 30
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Schiller Elem School earns 22/100 on the Resource Investment Index, with class sizes larger than 79% of Illinois schools. It is also more racially and ethnically mixed than most Illinois schools.
- #5 of 5
- schools in Centralia · Resource Index
- 22
- Resource Index · Lower
- 15.9:1
- large classes for Illinois
- 270
- students enrolled
Schiller Elem School has class sizes larger than 79% of Illinois schools. Computed live against every Illinois school reporting to NCES.
By Resource Investment Index, Schiller Elem School ranks #5 of 5 schools in Centralia, IL.
School address
District: Centralia Sd 135 · Illinois
NCES ID 170927000536 Verify on NCES CCD record →
Teachers (FTE)
17.0
Federal CCD staff survey
Students per teacher
15.9:1
vs 14:1 Illinois avg
+14% vs state
Student-teacher ratio in context
How Schiller Elem School compares with Illinois and U.S. medians
What stands out at Schiller Elem School
Schiller Elem School is a mid-sized combined-grade school in Centralia, Illinois, enrolling 270 students.
Class loads run somewhat heavier than typical: 15.9:1 puts it in the larger third of Illinois schools by student-teacher ratio.
Enrollment of 270 puts it in the smaller third of Illinois schools by headcount.
Its Resource Investment Index trails 93% of the 3,845 Illinois schools with a score on record, one of the lower results on this measure.
Its student body is led by White (52%) and African American (24%), more mixed than most schools in the state (diversity index 64/100).
Chronic absenteeism is elevated: 56.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 21.0% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Centralia's public schools, it stands alongside Central City Elem School (276 students): Schiller Elem School is smaller than that campus by headcount and runs heavier classes (15.9:1 vs 12:1).
Centralia Sd 135 also operates Centralia Jr High School (559 students) and Jordan Elem School (228 students) alongside Schiller 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 Schiller Elem School compares
Schiller 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 | 15.9:1 | ▲ 14% | 14:1 | 15.7:1 |
| Enrollment | 270 | top 70% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.9:1
Leaner classes than 39% of US schools, a middle-of-the-pack class size.
270
Bigger than 28% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
15.9:1
students per teacher
- 14% above state mean
Top 79% in Illinois - lower ratio than 21% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
56.7%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$15,796
per pupil, district-wide
- below Illinois avg of $17,042
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
4
in-school suspensions + 16 out-of-school
Suspension rate: 1.5 per 100 students. Combined in-school and out-of-school rate: 7.4 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 52.2%
African American 24.4%
Two or More 17.4%
Hispanic or Latino 4.8%
Asian 0.7%
American Indian / Alaska Native 0.4%
Largest group: White at 52.2% of enrollment.
Student-body diversity index 63.5/100
Simpson diversity index - at 63.5, Schiller Elem School is more mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Centralia Sd 135, which includes Schiller Elem School.
$15,796
Per student
-7%
vs Illinois
Avg $17,042
-5%
vs U.S.
Avg $16,593
Revenue mix
Local 26.6%
State 52.4%
Federal 21.0%
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 Schiller Elem School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Centralia Jr High School | Larger | No free-lunch data | Lower S:T ratio |
| Jordan Elem School | Similar size | No free-lunch data | Lower S:T ratio |
| Centralia Pre-Kindergarten Ctr | Smaller | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Schiller Elem School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 559
- Students per teacher
- 12.4:1
- Resource Index
- 20/100
- Enrollment
- 228
- Students per teacher
- 12:1
- Resource Index
- 27/100
- Enrollment
- 11
- Students per teacher
- 5.5:1
- Resource Index
- 78/100
Similar other schools in Centralia
4 comparable other schools (grades Mixed) serving the same city.
Central City Elem School
Standard public school
276 students 12:1 students per teacher
Raccoon Cons Elem School
Standard public school
204 students 12:1 students per teacher
Willow Grove Elem School
Standard public school
127 students 9.1:1 students per teacher
Centralia Pre-Kindergarten Ctr
Standard public school
11 students 5.5:1 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 (~270 students)
Similar student-teacher ratio (~15.9:1)
Next steps
Verify locally before acting on Schiller Elem School's federal record.
- Compare Schiller Elem School against another school. Compare schools
- Centralia Sd 135'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 Schiller Elem School
How many students attend Schiller Elem School?
Schiller Elem School has 270 students enrolled. It is a public school in Centralia, IL.
What is the student-teacher ratio at Schiller Elem School?
The student-teacher ratio at Schiller Elem School is 15.9:1, which is 14% higher than the Illinois average of 14:1 and 1% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Schiller Elem School?
The largest demographic group at Schiller Elem School is White at 52.2% of enrollment, in Centralia, IL. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.5/100.
What is the Resource Investment Index for Schiller Elem School?
Schiller Elem School has a Resource Investment Index of 22/100 (lower 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 Schiller Elem School rank among schools in Centralia?
By Resource Investment Index, Schiller Elem School ranks #5 of 5 schools in Centralia, IL. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Centralia on the city page.
Is Schiller Elem School a good school?
Schiller Elem School earns 22/100 on the Resource Investment Index, with class sizes larger than 79% 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 Centralia Sd 135?
Besides Schiller Elem School, Centralia Sd 135 also operates Centralia Jr High School (559 students), Jordan Elem School (228 students), and Centralia Pre-Kindergarten Ctr (11 students). See the Centralia Sd 135 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.