Enrollment
331
Illinois · 2024-25 NCES data
Other / mixed grade configuration · Atlanta, IL
Olympia South Elem Sch
Federal NCES profile for Olympia South Elem Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
2024-25 NCES dataOther / mixed grade configurationNCES 172989003092
👥 S:T ratio 30
🌟 Gifted program 30
📋 Attendance 30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Olympia South Elem Sch earns 30/100 on the Resource Investment Index, with class sizes larger than 89% of Illinois schools.
- 30
- Resource Index · Lower
- 17.4:1
- large classes for Illinois
- 331
- students enrolled
Olympia South Elem Sch has class sizes larger than 89% of Illinois schools. Computed live against every Illinois school reporting to NCES.
School address
District: Olympia Cusd 16 · Illinois
NCES ID 172989003092 Verify on NCES CCD record →
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
17.4:1
vs 14:1 Illinois avg
+24% vs state
Student-teacher ratio in context
How Olympia South Elem Sch compares with Illinois and U.S. medians
What stands out at Olympia South Elem Sch
Olympia South Elem Sch is a mid-sized combined-grade school in Atlanta, Illinois, enrolling 331 students.
Class loads run heavy: 17.4:1 is larger than about 89% of Illinois schools and 24% above the 14:1 state mean, so each teacher carries more students than is typical.
With 331 students, its enrollment sits close to the Illinois median campus size.
Its Resource Investment Index lands in the lower third of 3,845 scored Illinois schools.
Its student body is predominantly White (87% of enrollment) (diversity index 24/100).
Chronic absenteeism is elevated: 28.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Olympia Cusd 16 also operates Olympia High School (495 students) and Olympia Middle School (380 students) alongside Olympia South Elem Sch.
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 Olympia South Elem Sch compares
Olympia South Elem Sch on the metrics families compare, against Illinois and U.S. means.
| Metric | This school | vs Illinois | Illinois avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.4:1 | ▲ 24% | 14:1 | 15.7:1 |
| Enrollment | 331 | top 57% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.4:1
Leaner classes than 28% of US schools, heavier class loads than most.
331
Bigger than 37% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
17.4:1
students per teacher
- 24% above state mean
Top 89% in Illinois - lower ratio than 11% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
28.1%
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
$14,653
per pupil, district-wide
- below Illinois avg of $17,042
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
2
in-school suspensions + 0 out-of-school
Suspension rate: 0.6 per 100 students. Combined in-school and out-of-school rate: 0.6 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 87.0%
Two or More 8.5%
Hispanic or Latino 3.0%
African American 0.6%
Asian 0.6%
American Indian / Alaska Native 0.3%
Largest group: White at 87.0% of enrollment.
Student-body diversity index 23.5/100
Simpson diversity index - at 23.5, Olympia South Elem Sch is less mixed than the Illinois school average of 38.9.
Programs
Funding & spending
District-wide per-pupil expenditure for Olympia Cusd 16, which includes Olympia South Elem Sch.
$14,653
Per student
-14%
vs Illinois
Avg $17,042
-12%
vs U.S.
Avg $16,593
Revenue mix
Local 60.6%
State 27.9%
Federal 11.5%
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 Olympia South Elem Sch Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Olympia High School | Larger | No free-lunch data | Lower S:T ratio |
| Olympia Middle School | Similar size | No free-lunch data | Lower S:T ratio |
| Olympia North Elem Sch | Similar size | No free-lunch data | Lower S:T ratio |
| Olympia West Elem Sch | Similar size | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Olympia South Elem Sch's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 495
- Students per teacher
- 13.4:1
- Resource Index
- 36/100
- Enrollment
- 380
- Students per teacher
- 14.1:1
- Resource Index
- 30/100
- Enrollment
- 279
- Students per teacher
- 15.5:1
- Resource Index
- 42/100
- Enrollment
- 255
- Students per teacher
- 15.9:1
- Resource Index
- 39/100
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 (~331 students)
Similar student-teacher ratio (~17.4:1)
Next steps
Verify locally before acting on Olympia South Elem Sch's federal record.
- Compare Olympia South Elem Sch against another school. Compare schools
- Olympia Cusd 16'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 Olympia South Elem Sch
How many students attend Olympia South Elem Sch?
Olympia South Elem Sch has 331 students enrolled. It is a public school in Atlanta, IL.
What is the student-teacher ratio at Olympia South Elem Sch?
The student-teacher ratio at Olympia South Elem Sch is 17.4:1, which is 24% higher than the Illinois average of 14:1 and 11% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Olympia South Elem Sch?
The largest demographic group at Olympia South Elem Sch is White at 87.0% of enrollment, in Atlanta, IL.
What is the Resource Investment Index for Olympia South Elem Sch?
Olympia South Elem Sch has a Resource Investment Index of 30/100 (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).
Is Olympia South Elem Sch a good school?
Olympia South Elem Sch earns 30/100 on the Resource Investment Index, with class sizes larger than 89% of 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 Olympia Cusd 16?
Besides Olympia South Elem Sch, Olympia Cusd 16 also operates Olympia High School (495 students), Olympia Middle School (380 students), and Olympia North Elem Sch (279 students). See the Olympia Cusd 16 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.