C Top 76%

Mosier School

Grades 02-04 SOUTH HADLEY, MA

Moved down 175 places from 2024 to 2025

#632 State Rank
C District Grade
101 Mosier Street, SOUTH HADLEY, MA 01075
Rating sources & methodology MCAS scores from 2025 Data updated September 2026
375 Students
94.6% Attendance Rate
39.2 Composite Score
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MCAS score comparisons

Students meeting or exceeding expectations · 2025 results

Each subject shows the average of published grade percentages, without weighting by enrollment. The bars compare available years on a 0–100% scale. Grade coverage and student groups can change between years.

English Language Arts

31.5% Meeting or exceeding expectations

2% exceeding expectations

2023 43.5% 43.5%
2024 38% 38%
2025 31.5% 31.5%

Mathematics

29% Meeting or exceeding expectations

6.5% exceeding expectations

2023 39.5% 39.5%
2024 43.5% 43.5%
2025 29% 29%
View published results by year and grade
Available grade results for the latest 3 published years. An em dash means the value was not published.
YearSubjectGradeMeeting+Exceeding
2025English Language Arts03 32%2%
2025English Language Arts04 31%—
2025Mathematics03 29%8%
2025Mathematics04 29%5%
2024English Language Arts03 40%3%
2024English Language Arts04 36%3%
2024Mathematics03 42%6%
2024Mathematics04 45%5%
2023English Language Arts03 47%4%
2023English Language Arts04 40%3%
2023Mathematics03 41%8%
2023Mathematics04 38%5%

MCAS subject percentages differ from the composite school rating, which combines available academic and school indicators. Letter grades and state ranks compare schools at the same level. A rank change describes relative position, not a percentage-point change in test scores. Read the rating methodology.

Student Demographics

375 students enrolled

Race/Ethnicity

White 72.8%
Hispanic 18.4%
Multiracial 5.1%
Black 1.9%
Asian 1.6%

Gender

57.9% Male
42.1% Female

Student Programs

English Learners 5.1%
Special Education 26.7%
Free/Reduced Lunch 34.9%

School Performance

Key metrics and program information

Attendance

94.6% Attendance Rate
12.7% Chronic Absence

Staffing

Location

101 Mosier Street, SOUTH HADLEY, MA

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C-Rated School

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Part of South Hadley School District

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Frequently Asked Questions

What is Mosier School's grade rating?

Mosier School has earned a grade of C, ranked #632 in Massachusetts, placing it in the top 76% of Massachusetts Elementary schools. This rating is based on 2025 MCAS test scores, attendance rates, and other performance metrics from the Massachusetts Department of Elementary and Secondary Education.

How many students attend Mosier School?

Approximately 375 students are enrolled at Mosier School.

How does Mosier School perform on MCAS tests?

Based on the most recent MCAS results, Mosier School's proficiency rates are: English Language Arts (32% proficient), Mathematics (29% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Mosier School?

Mosier School has an attendance rate of 94.6%. Strong attendance is correlated with better academic outcomes.

What school district is Mosier School part of?

Mosier School is part of South Hadley School District. For enrollment information, contact the district office or visit the school's website. Enrollment typically requires proof of residency within the district boundaries.

How are Massachusetts school ratings calculated?

School ratings are calculated using multiple data points from the Massachusetts Department of Elementary and Secondary Education (DESE), including MCAS test scores (proficiency and growth), attendance rates, graduation rates (for high schools), and student-teacher ratios. Schools are ranked by percentile against similar schools statewide.