Average
#998 of 1,791 schools in MA
Boston Green Academy Horace Mann Charter School
High School · Boston Green Academy Horace Mann Charter School (District)
20 Warren St., Brighton, MA 02135
Enrollment
459
Student-Teacher
10.9:1
Score
6.0
Grades
6th – 12th
Enrollment
459
Student-Teacher
10.9:1
Score
6.0
Grades
6th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Brighton
#5 of 7
public schools
Massachusetts high schools
#224 of 366
Academic growth
8.6 / 10
Exceptional
About Boston Green Academy Horace Mann Charter School
Boston Green Academy Horace Mann Charter School is a charter high school located in Brighton, Massachusetts. Serving students from sixth through twelfth grade, the school has an enrollment of 459 students and maintains a student-to-teacher ratio of 10.9:1 with 42 full-time equivalent teachers. The academic performance at Boston Green Academy Horace Mann Charter School shows room for improvement, as reflected in its MySchoolScout rating of 3.9 out of 10 and state ranking of #1372 out of 1796 schools in Massachusetts (24th percentile).
The school's proficiency rates in ELA/Reading, Math, and Science are at 23%, 11%, and 9% respectively, indicating areas where the school is focusing on student development. Despite these challenges, Boston Green Academy Horace Mann Charter School continues to provide educational opportunities for its diverse community of students. The school's setting within a large city offers access to various resources and cultural experiences that can enhance learning beyond the classroom.
What Parents Should Know
While current test scores at Boston Green Academy Horace Mann Charter School are below average, the school shows strong growth metrics — meaning students are making above-average progress year over year. This upward trajectory can be a positive indicator for families who value a school's ability to help students improve, even if absolute scores haven't caught up yet.
Boston Green Academy Horace Mann Charter School is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.
Score Breakdown
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Boston Green Academy Horace Mann Charter School — Students at Boston Green Academy Horace Mann Charter School score 14% proficient, which is below what's typical for similar communities (expected: 26%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
0.2%
Students qualifying for federal meal assistance
Test Scores MA MCAS (2024-25)
Based on 88 test records from MA state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.6/10.
How Boston Green Academy Horace Mann Charter School Compares
See how Boston Green Academy Horace Mann Charter School performs across key quality dimensions compared to state benchmarks.
Performance Trends
Math proficiency has declined from 19% (2019) to 7% (2022). Reading/ELA proficiency has declined from 32% (2019) to 21% (2022).
Location
20 Warren St., Brighton, MA 02135
Nearby Alternatives
Families considering Boston Green Academy Horace Mann Charter School may also want to explore other high schools in the area. ST JOSEPH PREPARATORY HIGH SCHOOL (rated 7.8/10, 0.2 miles away), which scores notably higher. Another option is Lyon High School (rated 7.6/10, 0.8 miles away), which scores notably higher. Additionally, ST JOSEPH PREPARATORY HIGH SCHOOL (rated 6.7/10, 0.2 miles away, in nearby Boston), which scores slightly higher. For more schools in Brighton, see our Brighton schools guide .
Nearby Schools
20 within 1.4 mi| School | Distance | Rating |
|---|---|---|
| Brighton High School Brighton | 0.1 mi | 5.6 |
| KENNEDY DAY SCHOOL Brighton | 0.1 mi | 7.8 |
| ST JOSEPH PREPARATORY HIGH SCHOOL Brighton | 0.2 mi | 7.8 |
| ST JOSEPH PREPARATORY HIGH SCHOOL Boston | 0.2 mi | 6.7 |
| MESIVTA HIGH SCHOOL OF GREATER BOSTON Brighton | 0.3 mi | 5.6 |
| ST COLUMBKILLE PARTNERSHIP SCHOOL Brighton | 0.4 mi | 6.3 |
| Horace Mann School for the Deaf Hard of Hearing Allston | 0.5 mi | 7.1 |
| Winship Elementary School Brighton | 0.5 mi | 9.3 |
| Baldwin Early Learning Pilot Academy Brighton | 0.6 mi | 7.6 |
| TORAH ACADEMY Brookline | 0.9 mi | 5.3 |
| GERMAN INTERNATIONAL SCHOOL BOSTON Boston | 0.9 mi | 7.4 |
| Michael Driscoll Brookline | 0.9 mi | 8.4 |
| Lyon High School Brighton | 0.8 mi | 7.6 |
| Edison K-8 School Brighton | 0.8 mi | 7.4 |
| Lyon K-8 School Brighton | 0.8 mi | 5.2 |
| Gardner Pilot Academy Allston | 0.9 mi | 8.3 |
| John D Runkle Brookline | 1.2 mi | 8.5 |
| BAY COVE ACADEMY Brookline | 1.0 mi | — |
| ATRIUM SCHOOL Watertown | 1.4 mi | 6.7 |
| ST STEPHEN'S ARMENIAN ELEMENTARY SCHOOL Watertown | 1.4 mi | 5.3 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 02135 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$88,208
Median Home Value
$684,000
Median Rent
$2,179/mo
Population
43,683
College Educated
71.1%
Homeownership
21.7%
Avg Commute
32.6 min
Poverty Rate
18.7%
Median Age
30.4
Community Profile
The community surrounding Boston Green Academy Horace Mann Charter School has a median household income of $88,208. It is a well-educated community where 71% of adults hold a bachelor's degree or higher. The median home value in the area is $684,000, with a median rent of $2,179/month. The area has a poverty rate of 18.7%. The average commute for residents is 33 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Lee Middle/High School Lee, MA | 6.0 |
| TABOR ACADEMY Marion, MA | 6.0 |
| THE RIVERS SCHOOL Weston, MA | 6.0 |
| Ayer Shirley Regional High School Ayer, MA | 5.9 |
| Excel High School South Boston, MA | 5.9 |
| Francis W. Parker Charter Essential School Devens, MA | 5.9 |
Frequently Asked Questions
Common questions about Boston Green Academy Horace Mann Charter School
What grades does Boston Green Academy Horace Mann Charter School serve?
Boston Green Academy Horace Mann Charter School serves students in grades 6th through 12th.
How many students attend Boston Green Academy Horace Mann Charter School?
Boston Green Academy Horace Mann Charter School has an enrollment of approximately 459 students.
What is the student-teacher ratio at Boston Green Academy Horace Mann Charter School?
The student-teacher ratio at Boston Green Academy Horace Mann Charter School is 10.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Boston Green Academy Horace Mann Charter School rank in MA?
Boston Green Academy Horace Mann Charter School is ranked #998 out of 1,791 schools in MA.
What is Boston Green Academy Horace Mann Charter School's MySchoolScout rating?
Boston Green Academy Horace Mann Charter School has a composite rating of 6.0 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Boston Green Academy Horace Mann Charter School?
Based on the most recent state assessment data, Boston Green Academy Horace Mann Charter School has 11.1% math proficiency and 22.8% reading/ELA proficiency.
Is Boston Green Academy Horace Mann Charter School a charter school?
Yes, Boston Green Academy Horace Mann Charter School is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Boston Green Academy Horace Mann Charter School a Title I school?
No, Boston Green Academy Horace Mann Charter School is not currently a Title I school.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 6th – 12th
- Enrollment
- 459
- Student-Teacher Ratio
- 10.9:1
- Teachers (FTE)
- 42
- Type
- regular
- Setting
- Large City
- County
- Suffolk County
- Phone
- (617) 635-9860
- Data Year
- 2023–2024
Resources & Links
District
Boston Green Academy Horace Mann Charter School (District)- District Enrollment
- 459
- Schools in District
- 1
- Per-Pupil Spending
- $26,292
- District Rank
- #1 of 1
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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