B Top 45%

Lyndon K-8 School

Grades PK-08 BOSTON, MA

Improved 34 spots from last year

#159 State Rank
C- District Grade
20 Mount Vernon Street, BOSTON, MA 02132
Diverse
MCAS scores from 2025 Data updated December 2025
512 Students
93.5% Attendance Rate
43.9 Composite Score

MCAS Test Scores

Massachusetts Comprehensive Assessment System results

CIV

21% Proficient or Above

English Language Arts

43.5% Proficient or Above
13.5% Advanced

Mathematics

39.5% Proficient or Above
9.2% Advanced

Science

29% Proficient or Above
14% Advanced

Score Trends

Year Subject Grade Proficient+ Advanced
2025 CIV 08 21% 0%
2025 English Language Arts 03 60% 14%
2025 English Language Arts 04 43% 11%
2025 English Language Arts 05 56% 7%
2025 English Language Arts 06 57% 22%
2025 English Language Arts 07 30% 0%
2025 English Language Arts 08 15% 0%
2025 Mathematics 03 54% 20%
2025 Mathematics 04 52% 4%
2025 Mathematics 05 61% 7%
2025 Mathematics 06 39% 11%
2025 Mathematics 07 21% 4%
2025 Mathematics 08 10% 0%
2025 Science 05 51% 14%
2025 Science 08 7% 0%

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

512 students enrolled

Race/Ethnicity

White 58%
Hispanic 23.4%
Black 8.8%
Multiracial 5.1%
Asian 4.5%

Gender

49% Male
51% Female

Student Programs

English Learners 12.3%
Special Education 20.3%
Free/Reduced Lunch 29.9%

School Performance

Key metrics and program information

Attendance

93.5% Attendance Rate
18% Chronic Absence

Staffing

Location

20 Mount Vernon Street, BOSTON, MA

B-Rated School

Find Homes Near Lyndon K-8 School

Browse 2,968 homes for sale in BOSTON that are zoned for this B-rated school.

2,968 Homes Available

Ready to tour homes in BOSTON? Schedule a showing with our team.

Part of Boston School District

View all schools in this district, including elementary, middle, and high schools.

View District Details

Explore More Schools

Compare schools across Massachusetts by grade, location, and performance.

Browse All Districts

Frequently Asked Questions

What is Lyndon K-8 School's grade rating?

Lyndon K-8 School has earned a grade of B, ranked #159 in Massachusetts, placing it in the top 45% of Massachusetts Combined 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 Lyndon K-8 School?

Approximately 512 students are enrolled at Lyndon K-8 School.

How does Lyndon K-8 School perform on MCAS tests?

Based on the most recent MCAS results, Lyndon K-8 School's proficiency rates are: CIV (21% proficient), English Language Arts (44% proficient), Mathematics (40% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the attendance rate at Lyndon K-8 School?

Lyndon K-8 School has an attendance rate of 93.5%. Strong attendance is correlated with better academic outcomes.

What school district is Lyndon K-8 School part of?

Lyndon K-8 School is part of Boston 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.