A+ Top 2%

Josiah Haynes School

Grades K-05 SUDBURY, MA

Moved up 57 places from 2024 to 2025

#17 State Rank
A District Grade
169 Haynes Road, SUDBURY, MA 01776
High Attendance 96.3%
Rating sources & methodology MCAS scores from 2025 Data updated September 2026
373 Students
96.3% Attendance Rate
65.3 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

73% Meeting or exceeding expectations

18% exceeding expectations

2023 69.7% 69.7%
2024 64.7% 64.7%
2025 73% 73%

Mathematics

77% Meeting or exceeding expectations

20.3% exceeding expectations

2023 75.3% 75.3%
2024 75.3% 75.3%
2025 77% 77%

Science

86% Meeting or exceeding expectations

34% exceeding expectations

2023 69% 69%
2024 76% 76%
2025 86% 86%
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 68%11%
2025English Language Arts04 73%14%
2025English Language Arts05 78%29%
2025Mathematics03 73%17%
2025Mathematics04 82%24%
2025Mathematics05 76%20%
2025Science05 86%34%
2024English Language Arts03 63%15%
2024English Language Arts04 70%16%
2024English Language Arts05 61%15%
2024Mathematics03 73%25%
2024Mathematics04 77%21%
2024Mathematics05 76%11%
2024Science05 76%21%
2023English Language Arts03 77%19%
2023English Language Arts04 79%23%
2023English Language Arts05 53%6%
2023Mathematics03 76%20%
2023Mathematics04 85%18%
2023Mathematics05 65%4%
2023Science05 69%10%

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

373 students enrolled

Race/Ethnicity

White 74.5%
Asian 12.3%
Hispanic 5.1%
Multiracial 4.6%
Black 3.2%

Gender

49.6% Male
50.4% Female

Student Programs

English Learners 3.8%
Special Education 16.1%
Free/Reduced Lunch 4.8%

School Performance

Key metrics and program information

Attendance

96.3% Attendance Rate
3.2% Chronic Absence

Staffing

Location

169 Haynes Road, SUDBURY, MA

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A+-Rated School

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Frequently Asked Questions

What is Josiah Haynes School's grade rating?

Josiah Haynes School has earned a grade of A+, ranked #17 in Massachusetts, placing it in the top 2% 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 Josiah Haynes School?

Approximately 373 students are enrolled at Josiah Haynes School.

How does Josiah Haynes School perform on MCAS tests?

Based on the most recent MCAS results, Josiah Haynes School's proficiency rates are: English Language Arts (73% proficient), Mathematics (77% proficient), Science (86% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Josiah Haynes School?

Josiah Haynes School has an attendance rate of 96.3%. Strong attendance is correlated with better academic outcomes.

What school district is Josiah Haynes School part of?

Josiah Haynes School is part of Sudbury 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.