William F. Stanley Elementary School
LOCATION250 South Street, Waltham, MA
GRADES SERVEDPre-K, K, 1, 2, 3, 4, 5
DESE SCHOOL CODE03080005
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 3102 tested results | Exceeding 6%Meeting 35%Partially meeting 30%Not meeting 28% | 41%-2 pts vs. state |
| Grade 490 tested results | Exceeding 8%Meeting 29%Partially meeting 39%Not meeting 25% | 37%-4 pts vs. state |
| Grade 5174 tested results | Exceeding 7%Meeting 20%Partially meeting 42%Not meeting 31% | 27%-14 pts vs. state |
| Grades 3–8 combined366 tested results | Exceeding 7%Meeting 26%Partially meeting 38%Not meeting 29% | 33%-8 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 →