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Massachusetts public elementary school

Mosier Elementary

South Hadley school district

B-
overall grade

Ranks #485 of 895 Massachusetts elementary schools.

Overall rank
#485
of 895 schools
ELA · 2024–2026
38%
MA average 42%
Math · 2024–2026
35%
MA average 43%
Avg class size
22
368 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 26% statewide. 100% of teachers are licensed and 82.4% are experienced.
  • Area to watch: Math ranks in the bottom 36% statewide.
  • Trend: Chronic absence has fallen from 26.8% in 2022 to 11.9% in 2025.
  • Trend: Math is down 7 points since 2023 (41% to 34%).
Where it stands among 895 Massachusetts elementary schools
Bottom of MATop of MA
Overall
Averagebottom 46% · #485
ELA
Averagebottom 40% · #544
Math
Averagebottom 36% · #578
Attendance
Averagebottom 39% · #555
Teacher quality
Above averagetop 26% · #231

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 in 2 of 8 years since 2018.

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

English Language Arts42%in 2026 · state 43%
1 point below the state
0%50%100%This school42%State43%20172019202120232026
Math34%in 2026 · state 42%
8 points below the state
0%50%100%This school34%State42%20172019202120232026
Detailed scores
Average scaled score, ELA (500+ = meeting expectations)492
Average scaled score, Math (500+ = meeting expectations)489
Achievement percentile vs. MA schools (ELA · Math)39th · 32nd

Students & classrooms

Classrooms
Students368
Average class size22MA avg 18
Students per teacher13.4MA avg 12.1
Who attends
White
73.9%
Hispanic/Latino
17.7%
Multi-Race
4.9%
Asian
1.6%
Black/African American
1.6%
American Indian/Alaska Native
0.3%

44.6% girls · 55.4% boys

Student needs
Low incomeLower than average
This school
38%
MA avg
42.8%
English learnersLower than average
This school
5.7%
MA avg
17.2%
Students with disabilitiesAbout average
This school
23.9%
MA avg
22.3%

Teachers

Licensed teachersAbout average
This school
100%
MA avg
98.4%
Experienced teachersBetter than average
This school
82.4%
MA avg
73.2%
Teaching in their fieldAbout average
This school
96.6%
MA avg
92.4%
Stayed from last yearAbout average
This school
82.8%
MA avg
82.7%
More staffing details
Teachers (full-time equivalent)27.3
Principal retention100%
General education teachers85.3%
Special education teachers11%
English learner teachers3.7%

Attendance & safety

Attendance rateAbout average
This school
93.9%
MA avg
94.1%
Chronically absentmissed 10%+ of daysBetter than average
This school
11.9%
MA avg
15.6%

10.8 days absent per student (MA avg 10.3) · Suspensions: 4.3% out-of-school, 0% in-school (MA elementary avg 2% / 1%)

About South Hadley

Hampshire County · Western Massachusetts
Avg single-family home value$417KMA median $588K
Avg property tax bill$5,639MA median $6,814
Tax rate$13.50 per $1,000MA median $12.40
Income per person$37,682MA median $47,872
Local kids in public school93.3%
Free cash reserves9.6% of budget

South Hadley 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.

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