← Back to Elementary Rankings
Massachusetts public elementary school

Winn Brook Elementary

Belmont school district

A+
overall grade

Ranks #17 of 895 Massachusetts elementary schools — top 2%.

Overall rank
#17
of 895 schools
ELA · 2024–2026
79%+36 vs MA
MA average 42%
Math · 2024–2026
78%+34 vs MA
MA average 43%
Avg class size
20
299 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: ELA, in the top 2% statewide. An average of 79% of 3rd graders met or exceeded expectations over 2024–2026, vs 42% statewide.
  • Trend: Math is down 5 points since 2023 (84% to 79%).
Where it stands among 895 Massachusetts elementary schools
Bottom of MATop of MA
Overall
Excellenttop 2% · #17
ELA
Excellenttop 2% · #14
Math
Excellenttop 4% · #32
Attendance
Excellenttop 4% · #32
Teacher quality
Above averagetop 13% · #110

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

Both ELA and Math have been above the state average every year since 2018.

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

English Language Arts85%in 2026 · state 43%
42 points above the state
0%50%100%This school85%State43%20172019202120232026
Math79%in 2026 · state 42%
37 points above the state
0%50%100%This school79%State42%20172019202120232026
Detailed scores
Average scaled score, ELA (500+ = meeting expectations)516
Average scaled score, Math (500+ = meeting expectations)517
Achievement percentile vs. MA schools (ELA · Math)98th · 96th

Students & classrooms

Classrooms
Students299
Average class size20MA avg 18
Students per teacher12.9MA avg 12.1
Who attends
White
50.8%
Asian
31.1%
Multi-Race
7.7%
Hispanic/Latino
5.7%
Black/African American
4.7%

51.8% girls · 47.8% boys

Student needs
Low incomeLower than average
This school
10.7%
MA avg
42.8%
English learnersHigher than average
This school
22.1%
MA avg
17.2%
Students with disabilitiesLower than average
This school
10.7%
MA avg
22.3%

Teachers

Licensed teachersAbout average
This school
100%
MA avg
98.4%
Experienced teachersBetter than average
This school
84.3%
MA avg
73.2%
Teaching in their fieldAbout average
This school
100%
MA avg
92.4%
Stayed from last yearWorse than average
This school
72.7%
MA avg
82.7%
More staffing details
Teachers (full-time equivalent)23.6
General education teachers81.4%
Special education teachers7.6%
English learner teachers11%

Attendance & safety

Attendance rateBetter than average
This school
96%
MA avg
94.1%
Chronically absentmissed 10%+ of daysBetter than average
This school
6.5%
MA avg
15.6%

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

About Belmont

Middlesex County · Greater Boston — Inside I-95
Avg single-family home value$1.70MMA median $588K
Avg property tax bill$19,579MA median $6,814
Tax rate$11.50 per $1,000MA median $12.40
Income per person$124,471MA median $47,872
Local kids in public school87.6%
Town bond ratingAAA
Free cash reserves4.3% of budget

Belmont 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 Belmont

Similar schools elsewhere

Schools with similar test results, attendance, demographics, and class sizes.