Enrollment
2,591
Illinois · 2024-25 NCES data
2024-25 NCES data High school (grades 9-12) NCES 171257001519
Comm H S Dist 99 - South High Sch — Downers Grove, IL
Federal NCES profile for Comm H S Dist 99 - South High Sch, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — composite Resource Quality Score 42/100.
School address
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
179.0
Federal CCD staff survey
Students per teacher
14.7:1
vs 14.6:1 Illinois avg
+1% vs state
Student-teacher ratio in context
How Comm H S Dist 99 - South High Sch compares with Illinois and U.S. medians
What this school's NCES data tells you
Comm H S Dist 99 - South High Sch reports 2,591 enrolled students to the National Center for Education Statistics (NCES) alongside 179.0 full-time-equivalent teachers, producing a 14.7:1 student-teacher ratio. That figure sits 1% above the Illinois state mean of 14.6:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 8% lower, a useful calibration for families comparing districts across state lines.
The school offers 11 Advanced Placement courses, a stronger academic pipeline indicator than enrollment alone. Counselor coverage works out to roughly 236 students per counselor, meeting the American School Counselor Association recommendation of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 28.4% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding Chsd 99 spends $29,056 per pupil district-wide, above the Illinois average of $20,099 and above the national average of $19,490. Revenue comes 73.9% from local sources (property taxes), 23.0% from the state, and 3.0% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a composite Resource Quality Grade of D (42/100), calculated from 5 distinct NCES and CRDC indicators.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Comm H S Dist 99 - South High Sch compares
Cross-validating school-level NCES values against Illinois state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | Illinois avg | U.S. avg |
|---|---|---|---|
| Students per teacher | 14.7:1 | 14.6:1 | 15.9:1 |
| Enrollment (students) | 2,591 | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Overview
Enrollment 2,591
Teachers (FTE) 179.0
Students per teacher 14.7:1 +1% vs state
Free-lunch eligible —
NCES ID 171257001519
Student demographics
White 54.1%
Hispanic or Latino 22.9%
African American 11.2%
Asian 7.2%
Two or More 4.2%
Native Hawaiian / Pacific Islander 0.3%
American Indian / Alaska Native 0.1%
Largest group: White at 54.1% of enrollment.
Programs & staff
AP courses offered 11
Counselors (FTE) 11.0
Students per counselor 236:1
Discipline & special education
Chronically absent 28.4%
In-school suspensions 2
Out-of-school suspensions 99
Funding & spending
District-wide per-pupil expenditure for Chsd 99, which includes Comm H S Dist 99 - South High Sch.
$29,056
Per student
+45%
vs Illinois
Avg $20,099
+49%
vs U.S.
Avg $19,490
Revenue mix
Local 73.9%
State 23.0%
Federal 3.0%
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.
Other Schools in This District
- Enrollment
- 2,082
- Students per teacher
- 14:1
Similar high schools in Downers Grove
1 comparable high schools (grades 9-12) serving the same city.
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Comm H S Dist 99 - South High Sch
How many students attend Comm H S Dist 99 - South High Sch?
Comm H S Dist 99 - South High Sch has 2,591 students enrolled. It is a high school in Downers Grove, IL.
What is the student-teacher ratio at Comm H S Dist 99 - South High Sch?
The student-teacher ratio at Comm H S Dist 99 - South High Sch is 14.7:1, which is 1% higher than the Illinois average of 14.6:1 and 8% lower than the national average of 15.9:1.
What is the racial and ethnic makeup of Comm H S Dist 99 - South High Sch?
The largest demographic group at Comm H S Dist 99 - South High Sch is White at 54.1%. The school serves a diverse student body in Downers Grove, IL.
What is the quality grade for Comm H S Dist 99 - South High Sch?
Comm H S Dist 99 - South High Sch receives a Resource Quality Grade of D (42/100) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. This grade reflects available federal resource indicators, not standardized test scores.
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