10 public K-12 schools in Addison from NCES Common Core of Data: enrollment, grade span, demographics, and Civil Rights Data Collection statistics for every active campus.
10 public schools ranked by quality score. NCES CCD 2024-25 data.
The highest-ranked of Addison's 10 public schools is Addison Trail High School, scoring 29/100, against a city average of 38.3/100. Computed live across every Addison campus reporting to NCES.
How the Addison Public-School Landscape Breaks Down
Addison, IL enrolls 5,236 students across 10 public schools reporting to the National Center for Education Statistics. The average student-teacher ratio across the city is 12.1:1, and the composite quality score, derived from student-teacher ratio, counselor access, gifted-program availability, and CRDC attendance data, averages 38.3/100. 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 Addison on this index is Addison Trail High School, at 29/100 on the Resource Investment Index with 1,847 enrolled students. What the index does and doesn't measure; click any school below for its full component breakdown.
Addison spans 2 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.
Addison Trail High School accounts for 35.3% of all Addison public-school enrollment
That dominant concentration means Addison-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.
Addison school enrollment varies 9.7× across entities
Addison school enrollment ranges from 190 students (lowest) to 1,847 students (highest), a spread of 1,657 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.
Addison student-teacher ratio is 12.1:1 — low (typically associated with smaller schools or per-school staffing investment that often correlates with stronger per-student supports)
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 Lower values often correlate with smaller scale and population characteristics rather than higher resource budgets per se.
Most racially and ethnically mixed schools in Addison
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 Addison is Addison Trail High School with a quality score of 29/100. There are 10 public schools in Addison with 5,236 total students.
How many schools are in Addison, IL? ▼
Addison has 10 public schools with a total enrollment of 5,236 students. Average student-teacher ratio: 12.1:1.
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.
