A Top 14%

Mary E Flaherty School

Grades K-04 BRAINTREE, MA

Dropped 40 spots from last year

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

MCAS Test Scores

Massachusetts Comprehensive Assessment System results

English Language Arts

67.5% Proficient or Above
14.5% Advanced

Mathematics

66% Proficient or Above
11.5% Advanced

Score Trends

Year Subject Grade Proficient+ Advanced
2025 English Language Arts 03 58% 14%
2025 English Language Arts 04 77% 15%
2025 Mathematics 03 60% 10%
2025 Mathematics 04 72% 13%
2024 English Language Arts 03 69% 8%
2024 English Language Arts 04 42% 3%
2024 Mathematics 03 78% 18%
2024 Mathematics 04 69% 7%
2023 English Language Arts 03 65% 9%
2023 English Language Arts 04 53% 17%
2023 Mathematics 03 59% 11%
2023 Mathematics 04 67% 19%
2022 English Language Arts 03 64% 15%
2022 English Language Arts 04 52% 3%
2022 Mathematics 03 64% 10%

MCAS is administered annually to students in grades 3-8 and 10. Scores reflect the percentage of students meeting or exceeding grade-level expectations.

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

A-Rated School

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Part of Braintree School District

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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.