C+ Top 69%

Sewell-Anderson School

Grades K-05 LYNN, MA

Moved down 9 places from 2024 to 2025

#571 State Rank
D District Grade
25 Ontario Street, LYNN, MA 01905
Rating sources & methodology MCAS scores from 2025 Data updated September 2026
256 Students
94.9% Attendance Rate
42.3 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

29% Meeting or exceeding expectations

6% exceeding expectations

2023 29.7% 29.7%
2024 23.3% 23.3%
2025 29% 29%

Mathematics

30.7% Meeting or exceeding expectations

3% exceeding expectations

2023 25.7% 25.7%
2024 31.3% 31.3%
2025 30.7% 30.7%

Science

39% Meeting or exceeding expectations
2023 49% 49%
2024 53% 53%
2025 39% 39%
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 34%6%
2025English Language Arts04 31%—
2025English Language Arts05 22%—
2025Mathematics03 28%3%
2025Mathematics04 29%—
2025Mathematics05 35%—
2025Science05 39%—
2024English Language Arts03 30%—
2024English Language Arts04 15%—
2024English Language Arts05 25%—
2024Mathematics03 30%3%
2024Mathematics04 23%—
2024Mathematics05 41%6%
2024Science05 53%19%
2023English Language Arts03 21%—
2023English Language Arts04 31%—
2023English Language Arts05 37%2%
2023Mathematics03 7%—
2023Mathematics04 40%3%
2023Mathematics05 30%—
2023Science05 49%7%

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

256 students enrolled

Race/Ethnicity

Hispanic 67.2%
White 15.6%
Black 8.6%
Asian 4.7%
Multiracial 3.1%

Gender

48.8% Male
51.2% Female

Student Programs

English Learners 57%
Special Education 21.9%
Free/Reduced Lunch 66.4%

School Performance

Key metrics and program information

Attendance

94.9% Attendance Rate
12.7% Chronic Absence

Staffing

Location

25 Ontario Street, LYNN, MA

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C+-Rated School

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Frequently Asked Questions

What is Sewell-Anderson School's grade rating?

Sewell-Anderson School has earned a grade of C+, ranked #571 in Massachusetts, placing it in the top 69% 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 Sewell-Anderson School?

Approximately 256 students are enrolled at Sewell-Anderson School.

How does Sewell-Anderson School perform on MCAS tests?

Based on the most recent MCAS results, Sewell-Anderson School's proficiency rates are: English Language Arts (29% proficient), Mathematics (31% proficient), Science (39% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Sewell-Anderson School?

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

What school district is Sewell-Anderson School part of?

Sewell-Anderson School is part of Lynn 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.