Ranks #408 of 895 Massachusetts elementary schools — top 46%.
Overall rank
#408
of 895 schools
ELA · 2024–2026
47%
MA average 42%
Math · 2024–2026
54%+10 vs MA
MA average 43%
Avg class size
21
404 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: Math, in the top 34% statewide. An average of 54% of 3rd graders met or exceeded expectations over 2024–2026, vs 43% statewide.
!Area to watch: Teacher quality ranks in the bottom 28% statewide.
↓Trend: Chronic absence has fallen from 16.9% in 2022 to 13.3% in 2025.
Where it stands among 895 Massachusetts elementary schools
Bottom of MATop of MA
Overall
Averagetop 46% · #408
ELA
Averagetop 45% · #402
Math
Above averagetop 34% · #298
Attendance
Averagetop 42% · #369
Teacher quality
Below averagebottom 28% · #654
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 6 of 8 years since 2018. Math has 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 Arts49%in 2026 · state 43%
6 points above the state
Math47%in 2026 · state 42%
5 points above the state
Detailed scores
Average scaled score, ELA (500+ = meeting expectations)497
Average scaled score, Math (500+ = meeting expectations)497
Achievement percentile vs. MA schools (ELA · Math)55th · 53rd
Students & classrooms
Classrooms
Students404
Average class size21MA avg 18
Students per teacher14.2MA avg 12.1
Who attends
White
87.9%
Hispanic/Latino
8.9%
Asian
1.5%
Black/African American
1.2%
Multi-Race
0.5%
49.5% girls · 50.5% boys
Student needs
Low incomeLower than average
This school
15.1%
MA avg
42.8%
English learnersLower than average
This school
5.7%
MA avg
17.2%
Students with disabilitiesLower than average
This school
15.1%
MA avg
22.3%
Teachers
Licensed teachersAbout average
This school
89.3%
MA avg
98.4%
Experienced teachersBetter than average
This school
82.1%
MA avg
73.2%
Teaching in their fieldAbout average
This school
86.2%
MA avg
92.4%
Stayed from last yearAbout average
This school
89.3%
MA avg
82.7%
More staffing details
Teachers (full-time equivalent)28
Principal retention100%
General education teachers89.3%
Special education teachers7.1%
English learner teachers3.6%
Attendance & safety
Attendance rateAbout average
This school
94.7%
MA avg
94.1%
Chronically absentmissed 10%+ of daysBetter than average
This school
13.3%
MA avg
15.6%
9.5 days absent per student (MA avg 10.3) · Suspensions: Not reported
About the towns in Mendon-Upton
Henry P Clough is part of the Mendon-Upton regional district. Our data doesn't list the school's own town, so here are all of the district's member towns.
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.