17 public K-12 schools in Downers Grove from NCES Common Core of Data: enrollment, grade span, demographics, and Civil Rights Data Collection statistics for every active campus.
17 public schools ranked by quality score. NCES CCD 2024-25 data.
The highest-ranked of Downers Grove's 17 public schools is Comm H S Dist 99 - South High Sch, scoring 38/100, against a city average of 58.1/100. Computed live across every Downers Grove campus reporting to NCES.
How the Downers Grove Public-School Landscape Breaks Down
Downers Grove, IL enrolls 10,204 students across 17 public schools reporting to the National Center for Education Statistics. The average student-teacher ratio across the city is 14.9:1, and the composite quality score, derived from student-teacher ratio, counselor access, gifted-program availability, and CRDC attendance data, averages 58.1/100. Schools must report at least five campuses in a city to appear in this listing, which is why very small towns may redirect to the broader county or state view.
The most-resourced campus in Downers Grove on this index is Comm H S Dist 99 - South High Sch, at 38/100 on the Resource Investment Index with 2,591 enrolled students. What the index does and doesn't measure; click any school below for its full component breakdown.
Downers Grove spans 3 districts, each filing its own NCES F-33 return, per-pupil spending can vary between neighbouring campuses. Sort the table below by enrollment, level, or district; click any school for its full profile.
Comm H S Dist 99 - South High Sch accounts for 25.4% of all Downers Grove public-school enrollment
That concentration means Downers Grove-wide averages can mask substantial variation outside the dominant entity. Grade level: High. A dominant campus often anchors a city's program landscape and absorbs a disproportionate share of district capital and staffing decisions. When one entity dominates a region's footprint, its programmatic and budget decisions effectively set policy for a majority of the affected population.
Downers Grove school enrollment varies 9.6× across entities
Downers Grove school enrollment ranges from 271 students (lowest) to 2,591 students (highest), a spread of 2,320 students. That relatively narrow ratio reflects an unusually homogeneous school portfolio for a city this size. Per-school staffing, programme depth, and capital-renovation cycles often diverge inside the same city based on enrollment shape, a 200-student magnet runs a different operational model than a 2,000-student comprehensive high school.
Downers Grove student-teacher ratio is 14.9:1 — near the typical range (US average ~15.7) — aligned with the U.S. average of approximately 15.7:1
student-teacher ratio is the simplest comparative metric but it does not capture the full picture: the ratio counts FTE classroom teachers against total enrollment, push-in specialists, English-language aides, special-education co-teachers, and counselors are not included in most reporting Variation between sub-units within Downers Grove is typically wider than the Downers Grove-aggregate figure suggests.
Most racially and ethnically mixed schools in Downers Grove
Ranked by the Simpson student-body diversity index (0-100) from NCES race and ethnicity data, where higher means a more evenly mixed student body. It measures mix, not quality.
The highest-ranked school in Downers Grove is Comm H S Dist 99 - South High Sch with a quality score of 38/100. There are 17 public schools in Downers Grove with 10,204 total students.
How many schools are in Downers Grove, IL? ▼
Downers Grove has 17 public schools with a total enrollment of 10,204 students. Average student-teacher ratio: 14.9:1.
Data from NCES Common Core of Data (CCD) 2024-25 and Civil Rights Data Collection (CRDC) 2021-22. Quality scores based on student-teacher ratio,
counselor access, gifted programs, and attendance. Schools must have 5+ in the city to be listed.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the NCES Common Core of Data (CCD). Consult a qualified professional before making decisions based on this data.
Read our methodology, which explains how this data is sourced, computed, and verified.
