A- Top 28%

Joseph Demello School

Grades K-05 DARTMOUTH, MA

Moved up 85 places from 2024 to 2025

#234 State Rank
B+ District Grade
654 Dartmouth Street, DARTMOUTH, MA 02748
Rating sources & methodology MCAS scores from 2025 Data updated September 2026
379 Students
95.3% Attendance Rate
53 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

51% Meeting or exceeding expectations

8.3% exceeding expectations

2023 54% 54%
2024 50.3% 50.3%
2025 51% 51%

Mathematics

58.3% Meeting or exceeding expectations

9.3% exceeding expectations

2023 52% 52%
2024 55.3% 55.3%
2025 58.3% 58.3%

Science

64% Meeting or exceeding expectations

13% exceeding expectations

2023 55% 55%
2024 52% 52%
2025 64% 64%
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 53%9%
2025English Language Arts04 48%6%
2025English Language Arts05 52%10%
2025Mathematics03 67%9%
2025Mathematics04 64%13%
2025Mathematics05 44%6%
2025Science05 64%13%
2024English Language Arts03 54%16%
2024English Language Arts04 49%4%
2024English Language Arts05 48%10%
2024Mathematics03 62%16%
2024Mathematics04 56%9%
2024Mathematics05 48%4%
2024Science05 52%6%
2023English Language Arts03 56%4%
2023English Language Arts04 45%7%
2023English Language Arts05 61%10%
2023Mathematics03 50%7%
2023Mathematics04 54%7%
2023Mathematics05 52%5%
2023Science05 55%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

379 students enrolled

Race/Ethnicity

White 79.2%
Hispanic 8.7%
Multiracial 6.9%
Black 3.2%
Asian 1.6%

Gender

55.4% Male
44.6% Female

Student Programs

English Learners 4.2%
Special Education 20.6%
Free/Reduced Lunch 27.7%

School Performance

Key metrics and program information

Attendance

95.3% Attendance Rate
7.3% Chronic Absence

Staffing

Location

654 Dartmouth Street, DARTMOUTH, MA

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A--Rated School

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Frequently Asked Questions

What is Joseph Demello School's grade rating?

Joseph Demello School has earned a grade of A-, ranked #234 in Massachusetts, placing it in the top 28% 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 Joseph Demello School?

Approximately 379 students are enrolled at Joseph Demello School.

How does Joseph Demello School perform on MCAS tests?

Based on the most recent MCAS results, Joseph Demello School's proficiency rates are: English Language Arts (51% proficient), Mathematics (58% proficient), Science (64% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Joseph Demello School?

Joseph Demello School has an attendance rate of 95.3%. Strong attendance is correlated with better academic outcomes.

What school district is Joseph Demello School part of?

Joseph Demello School is part of Dartmouth 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.