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Massachusetts public elementary school

Mary E Flaherty School

Braintree school district

B+
overall grade

Ranks #147 of 895 Massachusetts elementary schools — top 17%.

Overall rank
#147
of 895 schools
ELA · 2024–2026
62%+20 vs MA
MA average 42%
Math · 2024–2026
68%+25 vs MA
MA average 43%
Avg class size
19
297 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: Attendance, in the top 8% statewide. Students attend 95.8% of school days on average.
  • Area to watch: Teacher quality ranks in the bottom 50% statewide.
  • Trend: Math is up 8 points since 2023 (59% to 67%).
  • Trend: Chronic absence has fallen from 12.9% in 2022 to 5.6% in 2025.
Where it stands among 895 Massachusetts elementary schools
Bottom of MATop of MA
Overall
Above averagetop 17% · #147
ELA
Above averagetop 18% · #154
Math
Above averagetop 12% · #104
Attendance
Excellenttop 8% · #64
Teacher quality
Averagebottom 50% · #454

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 Arts60%in 2026 · state 43%
17 points above the state
0%50%100%This school60%State43%20172019202120232026
Math67%in 2026 · state 42%
25 points above the state
0%50%100%This school67%State42%20172019202120232026
Detailed scores
Average scaled score, ELA (500+ = meeting expectations)509
Average scaled score, Math (500+ = meeting expectations)512
Achievement percentile vs. MA schools (ELA · Math)90th · 90th

Students & classrooms

Classrooms
Students297
Average class size19MA avg 18
Students per teacher10.7MA avg 12.1
Who attends
White
47.8%
Asian
31%
Multi-Race
8.8%
Hispanic/Latino
8.1%
Black/African American
4.4%

46.1% girls · 53.9% boys

Student needs
Low incomeLower than average
This school
28.3%
MA avg
42.8%
English learnersLower than average
This school
13.1%
MA avg
17.2%
Students with disabilitiesHigher than average
This school
28.6%
MA avg
22.3%

Teachers

Licensed teachersAbout average
This school
100%
MA avg
98.4%
Experienced teachersAbout average
This school
76%
MA avg
73.2%
Teaching in their fieldAbout average
This school
92.9%
MA avg
92.4%
Stayed from last yearAbout average
This school
75%
MA avg
82.7%
More staffing details
Teachers (full-time equivalent)27.1
Principal retention100%
General education teachers70.4%
Special education teachers25.9%
English learner teachers3.7%

Attendance & safety

Attendance rateBetter than average
This school
95.8%
MA avg
94.1%
Chronically absentmissed 10%+ of daysBetter than average
This school
5.6%
MA avg
15.6%

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

About Braintree

Norfolk County · Greater Boston — Inside I-95
Avg single-family home value$726KMA median $588K
Avg property tax bill$7,306MA median $6,814
Tax rate$10.10 per $1,000MA median $12.40
Income per person$52,310MA median $47,872
Local kids in public school90.6%
Town bond ratingAA
Free cash reserves5.5% of budget

Braintree 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 Braintree

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