Summary:
Dartmouth High is the only high school in ZIP 02748, serving grades 9–12 in the Dartmouth district and enrolling 902 students. That means there is no local high-school choice within this ZIP code; the key comparisons are Dartmouth High against its district, the state, and its own past results. The school earned 3 stars in 2025–2026 and ranked 147 of 353 schools, with a 58th percentile. In 2024–2025, it ranked 122 of 349 with a 65th percentile, so its state rank and percentile slipped but remain above the median. The district ranked 153 of 351 with a 56th percentile and 3 stars.
Dartmouth High is consistently above its district in every listed MCAS test in both years. Biology is the strongest relative subject: in 2025–2026 Biology End of Course, 44.8% were proficient versus 44.1% in the district and 37.68% statewide, or 7.12 points above the state. In 2024–2025 Biology, All Grades, the school was 42.02% versus 39.02% statewide. Other strengths include a 93.1% graduation rate, slightly above the district’s 92.4%; a 4.1% dropout rate versus 4.0%; and a student-teacher ratio of 11.9. Spending was $15,360 per student in 2020–2021. Free/reduced lunch is unknown, so socioeconomic context cannot be fully evaluated.
The main watch area is 2025–2026 ELA and Math. ELA was 43.09% proficient, below the state’s 45.48%, and Math was 40.11%, below the state’s 43.73%. By contrast, 2024–2025 ELA was 62.25% and Math was 52.55%, well above the state’s 50.66% and 44.60%. The year-over-year drops were large: ELA fell 19.16 points and Math fell 12.44 points, much sharper than the state’s declines of 5.18 and 0.87 points. Science also declined, from 45.18% to 41.57%, but the state declined more, and the school ended slightly above the state in 2025–2026 Science at 41.57% versus 40.5%. Overall, Dartmouth High remains a 3-star, above-district, above-median school with a strong Biology profile and solid graduation outcomes, but parents should watch whether the 2025–2026 ELA and Math dip is a one-year fluctuation or a trend.
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