Summary:
Schools in Boston Green Academy Horace Mann Charter School (District) consist of a single high school in Brighton, Massachusetts: Boston Green Academy Horace Mann Charter School, which serves 426 students in grades 7–12 and is the district's only school, so all district figures reflect this one campus. Because there is no second school in the area, there is no side-by-side comparison available; instead, the most useful context comes from comparing the school to state averages. The district ranks 343 of 351 in Massachusetts, in the 2nd percentile, with 0 stars. Its school-level rank history sits at the 9th percentile in 2025–2026, up from 7 in 2024–2025 but below 15 in 2023–2024.
On the 2025–2026 MCAS Next Generation tests, proficiency was 15.28% in English Language Arts, 4.96% in Math, and 7.04% in Science, against state rates of 40.03%, 41.11%, and 40.98%. Civics was the strongest result at 23.19% in 8th grade, though still below the state's 39.77%. Math was the weakest area: 7th grade reached just 1.39% proficient, all-grade Math fell from 12.50% in 2024–2025 to 4.96% in 2025–2026, and even the best Math result, 10th grade at 10.17%, trailed the state's 43.73%. ELA and Science all-grade scores also declined slightly year over year.
Graduation and dropout data for 2024–2025 show an 82.5% graduation rate and a 17.5% dropout rate. Resource figures include $17,474 in per-student spending for 2020–2021 and a 10.2 student-teacher ratio in 2024–2025; free/reduced lunch data was not reported. Across subjects, 10th grade generally outperformed 7th and 8th grades — ELA 21.31% versus 16.67% and 13.89%, Math 10.17% versus 8.70% and 1.39% — suggesting lower-grade students may need the most support, though this is a single-year snapshot.
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