F Top 96%

Mason Elementary School

Grades PK-05 BOSTON, MA

Moved down 69 places from 2024 to 2025

#795 State Rank
C- District Grade
150 Norfolk Avenue, BOSTON, MA 02119
Diverse
Rating sources & methodology MCAS scores from 2025 Data updated September 2026
230 Students
92.6% Attendance Rate
29 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

16.5% Meeting or exceeding expectations
2023 20% 20%
2024 13% 13%
2025 16.5% 16.5%

Mathematics

11.3% Meeting or exceeding expectations

3% exceeding expectations

2023 12.7% 12.7%
2024 16.7% 16.7%
2025 11.3% 11.3%

Science

9% Meeting or exceeding expectations
2023 9% 9%
2024 20% 20%
2025 9% 9%
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 21%—
2025English Language Arts04 12%—
2025English Language Arts05 ——
2025Mathematics03 7%—
2025Mathematics04 18%3%
2025Mathematics05 9%—
2025Science05 9%—
2024English Language Arts03 14%—
2024English Language Arts04 6%—
2024English Language Arts05 19%4%
2024Mathematics03 29%4%
2024Mathematics04 6%—
2024Mathematics05 15%—
2024Science05 20%—
2023English Language Arts03 31%8%
2023English Language Arts04 20%—
2023English Language Arts05 9%—
2023Mathematics03 19%—
2023Mathematics04 10%3%
2023Mathematics05 9%—
2023Science05 9%—

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

230 students enrolled

Race/Ethnicity

Black 51.7%
Hispanic 40.4%
White 3.9%
Multiracial 3%
Asian 0.4%

Gender

52.6% Male
47.4% Female

Student Programs

English Learners 30.9%
Special Education 28.3%
Free/Reduced Lunch 88.3%

School Performance

Key metrics and program information

Attendance

92.6% Attendance Rate
22.4% Chronic Absence

Staffing

Location

150 Norfolk Avenue, BOSTON, MA

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F-Rated School

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Frequently Asked Questions

What is Mason Elementary School's grade rating?

Mason Elementary School has earned a grade of F, ranked #795 in Massachusetts, placing it in the top 96% 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 Mason Elementary School?

Approximately 230 students are enrolled at Mason Elementary School.

How does Mason Elementary School perform on MCAS tests?

Based on the most recent MCAS results, Mason Elementary School's proficiency rates are: English Language Arts (16% proficient), Mathematics (11% proficient), Science (9% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Mason Elementary School?

Mason Elementary School has an attendance rate of 92.6%. Strong attendance is correlated with better academic outcomes.

What school district is Mason Elementary School part of?

Mason 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.