A+ Top 10%

Winthrop School

Grades PK-05 HAMILTON, MA

Improved 282 spots from last year

#81 State Rank
A District Grade
325 Bay Road, HAMILTON, MA 01982
MCAS scores from 2025 Data updated December 2025
329 Students
94.9% Attendance Rate
60.3 Composite Score

MCAS Test Scores

Massachusetts Comprehensive Assessment System results

English Language Arts

54.3% Proficient or Above
12.3% Advanced

Mathematics

66% Proficient or Above
16% Advanced

Science

71% Proficient or Above
13% Advanced

Score Trends

Year Subject Grade Proficient+ Advanced
2025 English Language Arts 03 56% 18%
2025 English Language Arts 04 40% 2%
2025 English Language Arts 05 67% 17%
2025 Mathematics 03 69% 20%
2025 Mathematics 04 58% 5%
2025 Mathematics 05 71% 23%
2025 Science 05 71% 13%
2024 English Language Arts 03 51% 4%
2024 English Language Arts 04 63% 4%
2024 English Language Arts 05 58% 12%
2024 Mathematics 03 39% 7%
2024 Mathematics 04 46% 0%
2024 Mathematics 05 60% 12%
2024 Science 05 65% 12%
2023 English Language Arts 03 68% 14%

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

329 students enrolled

Race/Ethnicity

White 86.3%
Hispanic 5.8%
Asian 4.6%
Multiracial 2.7%
Black 0.6%

Gender

51.7% Male
48.3% Female

Student Programs

English Learners 0%
Special Education 19.8%
Free/Reduced Lunch 5.8%

School Performance

Key metrics and program information

Attendance

94.9% Attendance Rate
7.7% Chronic Absence

Staffing

Location

325 Bay Road, HAMILTON, MA

A+-Rated School

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Part of Hamilton-Wenham School District

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Frequently Asked Questions

What is Winthrop School's grade rating?

Winthrop School has earned a grade of A+, ranked #81 in Massachusetts, placing it in the top 10% 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 Winthrop School?

Approximately 329 students are enrolled at Winthrop School.

How does Winthrop School perform on MCAS tests?

Based on the most recent MCAS results, Winthrop School's proficiency rates are: English Language Arts (54% proficient), Mathematics (66% proficient), Science (71% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Winthrop School?

Winthrop School has an attendance rate of 94.9%. Strong attendance is correlated with better academic outcomes.

What school district is Winthrop School part of?

Winthrop School is part of Hamilton-Wenham 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.