C+ Top 68%

Powder Mill School

Grades 03-06 SOUTHWICK, MA

Moved down 187 places from 2024 to 2025

#561 State Rank
C District Grade
94 Powder Mill Road, SOUTHWICK, MA 01077
Rating sources & methodology MCAS scores from 2025 Data updated September 2026
375 Students
95% Attendance Rate
42.7 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

40% Meeting or exceeding expectations

3.8% exceeding expectations

2023 38.8% 38.8%
2024 38.8% 38.8%
2025 40% 40%

Mathematics

43.8% Meeting or exceeding expectations

5.8% exceeding expectations

2023 42.8% 42.8%
2024 44.3% 44.3%
2025 43.8% 43.8%

Science

43% Meeting or exceeding expectations

7% exceeding expectations

2023 47% 47%
2024 48% 48%
2025 43% 43%
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 41%8%
2025English Language Arts04 54%1%
2025English Language Arts05 25%2%
2025English Language Arts06 40%4%
2025Mathematics03 48%6%
2025Mathematics04 53%9%
2025Mathematics05 27%2%
2025Mathematics06 47%6%
2025Science05 43%7%
2024English Language Arts03 59%8%
2024English Language Arts04 26%1%
2024English Language Arts05 30%—
2024English Language Arts06 40%10%
2024Mathematics03 56%14%
2024Mathematics04 40%3%
2024Mathematics05 32%2%
2024Mathematics06 49%8%
2024Science05 48%3%
2023English Language Arts03 41%1%
2023English Language Arts04 32%—
2023English Language Arts05 45%—
2023English Language Arts06 37%3%
2023Mathematics03 42%5%
2023Mathematics04 52%8%
2023Mathematics05 37%5%
2023Mathematics06 40%1%
2023Science05 47%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 85.1%
Hispanic 8.3%
Multiracial 3.5%
Asian 1.9%
Black 1.3%

Gender

53.1% Male
46.7% Female

Student Programs

English Learners 2.7%
Special Education 17.9%
Free/Reduced Lunch 29.3%

School Performance

Key metrics and program information

Attendance

95% Attendance Rate
11.1% Chronic Absence

Staffing

Location

94 Powder Mill Road, SOUTHWICK, MA

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C+-Rated School

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Part of Southwick-Tolland-Granville Regional School District

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Frequently Asked Questions

What is Powder Mill School's grade rating?

Powder Mill School has earned a grade of C+, ranked #561 in Massachusetts, placing it in the top 68% of Massachusetts Combined 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 Powder Mill School?

Approximately 375 students are enrolled at Powder Mill School.

How does Powder Mill School perform on MCAS tests?

Based on the most recent MCAS results, Powder Mill School's proficiency rates are: English Language Arts (40% proficient), Mathematics (44% proficient), Science (43% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Powder Mill School?

Powder Mill School has an attendance rate of 95%. Strong attendance is correlated with better academic outcomes.

What school district is Powder Mill School part of?

Powder Mill School is part of Southwick-Tolland-Granville Regional 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.