C+ Top 70%

Sumner Elementary School

Moved up 2 places from 2024 to 2025

#24 State Rank
C- District Grade
Diverse
Rating sources & methodology MCAS scores from 2025 Data updated September 2026
576 Students
91.6% Attendance Rate
35.5 Composite Score

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

29.3% Meeting or exceeding expectations

6.3% exceeding expectations

2023 34% 34%
2024 31.3% 31.3%
2025 29.3% 29.3%

Mathematics

28% Meeting or exceeding expectations

5.5% exceeding expectations

2023 29.5% 29.5%
2024 30.8% 30.8%
2025 28% 28%

Science

25% Meeting or exceeding expectations

3% exceeding expectations

2023 20% 20%
2024 25% 25%
2025 25% 25%
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%13%
2025English Language Arts04 28%3%
2025English Language Arts05 20%2%
2025English Language Arts06 28%7%
2025Mathematics03 38%7%
2025Mathematics04 30%7%
2025Mathematics05 20%2%
2025Mathematics06 24%6%
2025Science05 25%3%
2024English Language Arts03 33%4%
2024English Language Arts04 29%9%
2024English Language Arts05 23%6%
2024English Language Arts06 40%11%
2024Mathematics03 34%5%
2024Mathematics04 41%9%
2024Mathematics05 20%5%
2024Mathematics06 28%9%
2024Science05 25%3%
2023English Language Arts03 33%8%
2023English Language Arts04 36%10%
2023English Language Arts05 32%2%
2023English Language Arts06 35%12%
2023Mathematics03 29%3%
2023Mathematics04 32%8%
2023Mathematics05 24%2%
2023Mathematics06 33%9%
2023Science05 20%7%

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

576 students enrolled

Race/Ethnicity

Hispanic 48.8%
White 27.1%
Black 16%
Multiracial 6.1%
Asian 1.7%

Gender

54% Male
46% Female

Student Programs

English Learners 36.1%
Special Education 20.1%
Free/Reduced Lunch 55.2%

School Performance

Key metrics and program information

Attendance

91.6% Attendance Rate
32.4% Chronic Absence

Staffing

Part of Boston School District

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Frequently Asked Questions

What is Sumner Elementary School's grade rating?

Sumner Elementary School has earned a grade of C+, ranked #24 in Massachusetts, placing it in the top 70% of Massachusetts School 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 Sumner Elementary School?

Approximately 576 students are enrolled at Sumner Elementary School.

How does Sumner Elementary School perform on MCAS tests?

Based on the most recent MCAS results, Sumner Elementary School's proficiency rates are: English Language Arts (29% proficient), Mathematics (28% proficient), Science (25% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Sumner Elementary School?

Sumner Elementary School has an attendance rate of 91.6%. Strong attendance is correlated with better academic outcomes.

What school district is Sumner Elementary School part of?

Sumner Elementary School is part of Boston 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.