Summary:
Suffield High School is the only high school in the Suffield School District, serving grades 9 through 12 with 641 students in West Suffield, Connecticut. The school consistently earns a 4-star statewide ranking, placing it in the top quarter of Connecticut high schools — currently ranked 30th out of 133 schools at the 77th percentile. This is notably stronger than the district's overall 3-star rating, which sits at the 54th percentile among 153 Connecticut districts, suggesting the high school is a particular strength within the Suffield School District.
Academically, Suffield High School outperforms the state in every subject tested at the 11th grade. In the 2025–2026 school year, 69.2% of students were proficient in English Language Arts on the SAT, compared to the state average of 55.3%. Math proficiency reached 42.9%, well above the state's 31.3%, while science achievement on the NGSS assessment was an exceptional 79.5% — a remarkable 29 percentage points above the state average. Science is the school's strongest subject, while math represents its most significant relative gap. The school's graduation rate of 97.4% also far exceeds the state average of 91.2%, reflecting strong student persistence.
The school maintains a favorable 10.9:1 student-to-teacher ratio, which supports personalized instruction. Chronic absenteeism stands at 12.5%, below the state rate of 16.4% though slightly above the district's 10.3%. With just 17.2% of students receiving free or reduced-price lunch, the school serves a relatively advantaged population. One noteworthy trend: while the school has maintained 4-star ratings, its percentile ranking has slipped slightly from 83rd to 77th over three years. Still, Suffield High School remains a high-achieving institution and a clear standout within its district and across Connecticut, with math and the modest ranking decline being the most logical areas to watch.
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