A- Top 28%

Boston Preparatory Charter Public School

Grades 06-12 BOSTON, MA

Moved up 287 places from 2024 to 2025

#8 State Rank
C- District Grade
885 River Street, BOSTON, MA 02136
High Grad Rate 97.1%
Rating sources & methodology MCAS scores from 2025 Data updated September 2026
670 Students
91.8% Attendance Rate
43.6 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.

CIV

26% Meeting or exceeding expectations

English Language Arts

20.8% Meeting or exceeding expectations

2.5% exceeding expectations

2023 28% 28%
2024 26.3% 26.3%
2025 20.8% 20.8%

Mathematics

17.5% Meeting or exceeding expectations
2023 17.5% 17.5%
2024 19.3% 19.3%
2025 17.5% 17.5%

Science

14% Meeting or exceeding expectations
2023 21.5% 21.5%
2024 22.5% 22.5%
2025 14% 14%
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
2025CIV08 26%—
2025English Language Arts06 19%3%
2025English Language Arts07 18%—
2025English Language Arts08 17%—
2025English Language Arts10 29%2%
2025Mathematics06 14%—
2025Mathematics07 18%—
2025Mathematics08 11%—
2025Mathematics10 27%—
2025Science08 19%—
2025Science10 9%—
2024English Language Arts06 24%3%
2024English Language Arts07 16%—
2024English Language Arts08 23%3%
2024English Language Arts10 42%6%
2024Mathematics06 16%1%
2024Mathematics07 8%1%
2024Mathematics08 14%1%
2024Mathematics10 39%2%
2024Science08 31%1%
2024Science10 14%—
2023English Language Arts06 20%—
2023English Language Arts07 23%1%
2023English Language Arts08 22%3%
2023English Language Arts10 47%8%
2023Mathematics06 8%1%
2023Mathematics07 18%—
2023Mathematics08 12%—
2023Mathematics10 32%3%
2023Science08 14%—
2023Science10 29%3%

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

670 students enrolled

Race/Ethnicity

Black 61.3%
Hispanic 31.9%
Multiracial 3.6%
White 1.6%
Asian 0.4%

Gender

48.4% Male
51.6% Female

Student Programs

English Learners 16.7%
Special Education 22.2%
Free/Reduced Lunch 64%

School Performance

Key metrics and program information

Attendance

91.8% Attendance Rate
23% Chronic Absence

Staffing

Location

885 River Street, BOSTON, MA

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A--Rated School

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Frequently Asked Questions

What is Boston Preparatory Charter Public School's grade rating?

Boston Preparatory Charter Public School has earned a grade of A-, ranked #8 in Massachusetts, placing it in the top 28% 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 Boston Preparatory Charter Public School?

Approximately 670 students are enrolled at Boston Preparatory Charter Public School.

How does Boston Preparatory Charter Public School perform on MCAS tests?

Based on the most recent MCAS results, Boston Preparatory Charter Public School's proficiency rates are: CIV (26% proficient), English Language Arts (21% proficient), Mathematics (18% proficient). MCAS (Massachusetts Comprehensive Assessment System) tests measure student achievement in English Language Arts, Mathematics, and Science.

What is the graduation rate at Boston Preparatory Charter Public School?

Boston Preparatory Charter Public School has a excellent 97.1% graduation rate. The state average graduation rate in Massachusetts is approximately 89%.

What is the attendance rate at Boston Preparatory Charter Public School?

Boston Preparatory Charter Public School has an attendance rate of 91.8%. Strong attendance is correlated with better academic outcomes.

What school district is Boston Preparatory Charter Public School part of?

Boston Preparatory Charter Public 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.