Ottoson Middle
LOCATION63 Acton Street, Arlington, MA
GRADES SERVED7, 8
DESE SCHOOL CODE00100410
2026 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 71,012 tested results | Exceeding 28%Meeting 45%Partially meeting 22%Not meeting 4% | 74%+34 pts vs. state |
| Grade 81,775 tested results | Exceeding 31%Meeting 50%Partially meeting 16%Not meeting 4% | 80%+39 pts vs. state |
| Grades 3–8 combined2,343 tested results | Exceeding 29%Meeting 49%Partially meeting 19%Not meeting 5% | 77%+35 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 2026 MCAS Achievement Results dataset.
Search all Massachusetts MCAS scores →