12 public K-12 schools in Chelsea from NCES Common Core of Data: enrollment, grade span, demographics, and Civil Rights Data Collection statistics for every active campus.
12 public schools ranked by quality score. NCES CCD 2024-25 data.
The highest-ranked of Chelsea's 12 public schools is Chelsea High, scoring 34/100, against a city average of 35.2/100. Computed live across every Chelsea campus reporting to NCES.
How the Chelsea Public-School Landscape Breaks Down
Chelsea, MA enrolls 6,292 students across 12 public schools reporting to the National Center for Education Statistics. Of those, 1 are charter schools, giving families genuine alternatives to the traditional neighbourhood assignment model. The average student-teacher ratio across the city is 13.3:1, and the composite quality score, derived from student-teacher ratio, counselor access, gifted-program availability, and CRDC attendance data, averages 35.2/100. 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 Chelsea on this index is Chelsea High, at 34/100 on the Resource Investment Index with 1,649 enrolled students. What the index does and doesn't measure; click any school below for its full component breakdown.
Chelsea 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.
Chelsea High accounts for 26.2% of all Chelsea public-school enrollment
That concentration means Chelsea-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.
Chelsea school enrollment varies 31× across entities
Chelsea school enrollment ranges from 54 students (lowest) to 1,649 students (highest), a spread of 1,595 students. That ratio is among the widest observed and reflects extreme heterogeneity inside a single city, small specialty programs sit alongside large comprehensive campuses, often serving very different family demographics inside walking distance. 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.
Chelsea student-teacher ratio is 13.3:1 — 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.
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.
