A Top 14%

Mary E Flaherty School

Grades K-04 BRAINTREE, MA

Moved down 40 places from 2024 to 2025

#113 State Rank
A District Grade
99 Lakeside Drive, BRAINTREE, MA 02184
Diverse High Attendance 96.1%
Rating sources & methodology MCAS scores from 2025 Data updated September 2026
306 Students
96.1% Attendance Rate
58.5 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

67.5% Meeting or exceeding expectations

14.5% exceeding expectations

2023 59% 59%
2024 55.5% 55.5%
2025 67.5% 67.5%

Mathematics

66% Meeting or exceeding expectations

11.5% exceeding expectations

2023 63% 63%
2024 73.5% 73.5%
2025 66% 66%
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 58%14%
2025English Language Arts04 77%15%
2025Mathematics03 60%10%
2025Mathematics04 72%13%
2024English Language Arts03 69%8%
2024English Language Arts04 42%3%
2024Mathematics03 78%18%
2024Mathematics04 69%7%
2023English Language Arts03 65%9%
2023English Language Arts04 53%17%
2023Mathematics03 59%11%
2023Mathematics04 67%19%

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

306 students enrolled

Race/Ethnicity

White 46.7%
Asian 31.7%
Hispanic 9.5%
Multiracial 7.2%
Black 4.9%

Gender

55.2% Male
44.8% Female

Student Programs

English Learners 10.8%
Special Education 28.4%
Free/Reduced Lunch 24.2%

School Performance

Key metrics and program information

Attendance

96.1% Attendance Rate
6.8% Chronic Absence

Staffing

Location

99 Lakeside Drive, BRAINTREE, MA

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A-Rated School

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Frequently Asked Questions

What is Mary E Flaherty School's grade rating?

Mary E Flaherty School has earned a grade of A, ranked #113 in Massachusetts, placing it in the top 14% 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 Mary E Flaherty School?

Approximately 306 students are enrolled at Mary E Flaherty School.

How does Mary E Flaherty School perform on MCAS tests?

Based on the most recent MCAS results, Mary E Flaherty School's proficiency rates are: English Language Arts (68% proficient), Mathematics (66% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Mary E Flaherty School?

Mary E Flaherty School has an attendance rate of 96.1%. Strong attendance is correlated with better academic outcomes.

What school district is Mary E Flaherty School part of?

Mary E Flaherty School is part of Braintree 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.