B Top 50%

Dual Language School

Grades K-05 WALTHAM, MA

Moved down 78 places from 2024 to 2025

#410 State Rank
B+ District Grade
617 Lexington Street, WALTHAM, MA 02452
Rating sources & methodology MCAS scores from 2025 Data updated September 2026
219 Students
95.3% Attendance Rate
47.5 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

35.3% Meeting or exceeding expectations

12% exceeding expectations

2023 36.3% 36.3%
2024 40% 40%
2025 35.3% 35.3%

Mathematics

38% Meeting or exceeding expectations

9% exceeding expectations

2023 31% 31%
2024 35.7% 35.7%
2025 38% 38%

Science

44% Meeting or exceeding expectations

9% exceeding expectations

2023 17% 17%
2024 41% 41%
2025 44% 44%
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 32%—
2025English Language Arts04 24%—
2025English Language Arts05 50%12%
2025Mathematics03 26%—
2025Mathematics04 44%—
2025Mathematics05 44%9%
2025Science05 44%9%
2024English Language Arts03 34%3%
2024English Language Arts04 38%6%
2024English Language Arts05 48%7%
2024Mathematics03 23%3%
2024Mathematics04 50%3%
2024Mathematics05 34%3%
2024Science05 41%10%
2023English Language Arts03 38%6%
2023English Language Arts04 38%3%
2023English Language Arts05 33%3%
2023Mathematics03 38%3%
2023Mathematics04 28%7%
2023Mathematics05 27%3%
2023Science05 17%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

219 students enrolled

Race/Ethnicity

Hispanic 69.9%
White 20.1%
Multiracial 5.5%
Black 3.2%
Asian 1.4%

Gender

49.8% Male
50.2% Female

Student Programs

English Learners 43.4%
Special Education 10%
Free/Reduced Lunch 47%

School Performance

Key metrics and program information

Attendance

95.3% Attendance Rate
6.4% Chronic Absence

Staffing

Location

617 Lexington Street, WALTHAM, MA

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B-Rated School

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Frequently Asked Questions

What is Dual Language School's grade rating?

Dual Language School has earned a grade of B, ranked #410 in Massachusetts, placing it in the top 50% 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 Dual Language School?

Approximately 219 students are enrolled at Dual Language School.

How does Dual Language School perform on MCAS tests?

Based on the most recent MCAS results, Dual Language School's proficiency rates are: English Language Arts (35% proficient), Mathematics (38% proficient), Science (44% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Dual Language School?

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

What school district is Dual Language School part of?

Dual Language School is part of Waltham 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.