Summary:
Harwinton, Connecticut is served by a single elementary school, Harwinton Consolidated School, which enrolls 374 students in grades PK–4 as part of Regional School District 10; the town has no middle or high schools of its own. For parents, this means their children will attend one highly rated school before moving on to regional schools for higher grades.
By every measure, Harwinton Consolidated School is an exceptional place to learn. It has climbed from the 70th percentile in state rankings in 2023-2024 to the 91st percentile in 2025-2026, earning a 5-star rating and ranking 46th out of 491 Connecticut elementary schools. Its most recent SBAC scores are far above state averages: 3rd grade math proficiency is 82.4% (vs. 52.2% statewide), 4th grade math is 81.3% (vs. 52.1%), 3rd grade ELA is 75.7% (vs. 47.3%), and 4th grade ELA is 76.6% (vs. 50.9%). The school also outperforms its own strong district, surpassing Regional School District 10 by 5 to 12 percentage points in every subject and grade. In just one year, 4th grade ELA proficiency jumped 17.4 points and math jumped 12.3 points, highlighting a clear upward trend.
Beyond test scores, the school benefits from a very positive learning environment. Chronic absenteeism is just 3.2% — far below the state rate of 16.4% and roughly half the district’s 6.0%. Only 20.86% of students qualify for free or reduced lunch, and the student-teacher ratio of 11.9:1 allows for personalized attention. Spending per student is listed at $16,456, though that figure is from 2018-2019, so current comparisons are limited. While the data only covers grades PK–4, the combination of exceptional academics, strong attendance, low poverty, and favorable class sizes makes Harwinton Consolidated School a standout choice for families in the area.
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