Chelsea High
LOCATION299 Everett Avenue, Chelsea, MA
GRADES SERVED9, 10, 11, 12
DESE SCHOOL CODE00570505
2025 MCAS ACHIEVEMENT RESULTS
Official DESE school profile ↗Scores by tested grade
Percent of tested results at each achievement level, combined across available subjects.
| Grade | Achievement breakdown | Meeting or exceeding |
|---|---|---|
| Grade 10925 tested results | Exceeding 2%Meeting 18%Partially meeting 45%Not meeting 35% | 20%-29 pts vs. state |
| High school science338 tested results | Exceeding 1%Meeting 11%Partially meeting 39%Not meeting 49% | 12%-29 pts vs. state |
Subject results are weighted by tested-student counts. Source percentages are rounded and may not total exactly 100%. MCAS is one measure and should be considered with growth, programs, services, accessibility, and school climate.
About this school data
School location and grades come from the Massachusetts public-school catalog. Assessment results come from the Massachusetts Department of Elementary and Secondary Education’s 2025 MCAS Achievement Results dataset.
Search all Massachusetts MCAS scores →