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Massachusetts public elementary school

William F. Stanley Elementary School

Waltham school district

C
overall grade

Ranks #631 of 895 Massachusetts elementary schools.

Overall rank
#631
of 895 schools
ELA · 2024–2026
31%
MA average 42%
Math · 2024–2026
33%
MA average 43%
Avg class size
13
420 students

ELA and Math show the share of 3rd graders meeting or exceeding expectations on the MCAS, averaged over 2024–2026.

How it compares

What stands out
  • Strongest area: Teacher quality, in the top 45% statewide. 100% of teachers are licensed and 73.4% are experienced.
  • Area to watch: ELA ranks in the bottom 29% statewide.
  • Trend: Chronic absence has fallen from 26.2% in 2022 to 17% in 2025.
  • Trend: Math is up 9 points since 2023 (34% to 43%).
Where it stands among 895 Massachusetts elementary schools
Bottom of MATop of MA
Overall
Below averagebottom 30% · #631
ELA
Below averagebottom 29% · #640
Math
Below averagebottom 33% · #601
Attendance
Averagebottom 48% · #471
Teacher quality
Averagetop 45% · #402

MCAS standings use the 2024–2026 average of grade 3 results, so one unusual year doesn't swing a school's ranking. Scores in the sections below are from 2026.

Test scores

ELA has been above the state average in 2 of 8 years since 2018. Math has been above the state average in 1 of 8 years since 2018.

Share of 3rd graders meeting or exceeding expectations on the MCAS. There was no test in 2020.

English Language Arts39%in 2026 · state 43%
4 points below the state
0%50%100%This school39%State43%20172019202120232026
Math43%in 2026 · state 42%
1 point above the state
0%50%100%This school43%State42%20172019202120232026
Detailed scores
Average scaled score, ELA (500+ = meeting expectations)491
Average scaled score, Math (500+ = meeting expectations)493
Achievement percentile vs. MA schools (ELA · Math)36th · 42nd

Students & classrooms

Classrooms
Students420
Average class size13MA avg 18
Students per teacher8.5MA avg 12.1
Who attends
Hispanic/Latino
49.1%
White
25%
Black/African American
13.6%
Asian
8.8%
Multi-Race
3.6%

43.8% girls · 56.2% boys

Student needs
Low incomeHigher than average
This school
55.2%
MA avg
42.8%
English learnersHigher than average
This school
41.4%
MA avg
17.2%
Students with disabilitiesHigher than average
This school
35%
MA avg
22.3%

Teachers

Licensed teachersAbout average
This school
100%
MA avg
98.4%
Experienced teachersAbout average
This school
73.4%
MA avg
73.2%
Teaching in their fieldAbout average
This school
97.9%
MA avg
92.4%
Stayed from last yearAbout average
This school
90.5%
MA avg
82.7%
More staffing details
Teachers (full-time equivalent)45
Principal retention100%
General education teachers66.7%
Special education teachers22.2%
English learner teachers11.1%

Attendance & safety

Attendance rateAbout average
This school
94.3%
MA avg
94.1%
Chronically absentmissed 10%+ of daysAbout average
This school
17%
MA avg
15.6%

9.1 days absent per student (MA avg 10.3) · Suspensions: Not reported

About Waltham

Middlesex County · Greater Boston — Inside I-95
Avg single-family home value$503KMA median $588K
Avg property tax bill$5,189MA median $6,814
Tax rate$10.30 per $1,000MA median $12.40
Income per person$48,365MA median $47,872
Local kids in public school88.1%
Town bond ratingAA+
Free cash reserves16.5% of budget

Waltham district profile · What could you afford here? · All towns A–Z

Town figures are FY2026 averages for single-family homes from the Massachusetts Department of Revenue. Assessed values usually run below recent sale prices. "MA median" is the median of the state's 351 towns.

Other schools in Waltham

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