Summary
Braintree High is a large public high school serving grades 9–12 in Braintree, Massachusetts, a suburban community south of Boston, with 1,694 students — the largest enrollment among nearby comparison schools. It belongs to the Braintree district, which ranks 82nd of 351 districts statewide, while the school itself ranks 71st of 353 (80th percentile, 4 stars) in 2025–2026. Over the past decade it has climbed from the 66th percentile in 2020–2021 to around the 80th percentile since 2022–2023.
Academics are a clear strength, especially in STEM. In 2025–2026 MCAS results, proficiency was 63.92% in mathematics, 57.01% in science, and 61.86% in Biology end-of-course — more than 20 points above the state average in math and more than 24 points above in biology. ELA came in at 53.54%, above the state average of 45.48% but by a smaller margin. Among nearby schools, Braintree ranks second only to Milton High in math, science, and biology, and is essentially tied overall with North Quincy High. The clearest academic gap versus those two peers is ELA, where North Quincy scored 59.45% and Milton 66.67%.
Graduation is strong at 95.9% in 2024–2025, though the dropout rate has risen from about 2.0% in 2022–2023 to 3.9% — lower than Weymouth High School (5.8%) but higher than Milton (0.8%) and North Quincy (1.6%). The school is especially effective for English learner students (rank 2nd of 105, 5 stars) and low-income students (89th percentile), while Special Education results slipped from the 85th to the 67th percentile. Test scores have also cooled from earlier highs, though the school remains in the top fifth of the state. It achieves these results with the highest student-teacher ratio (15.6) among nearby schools and moderate per-student spending ($15,762 in 2020–2021).
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