Best Public Schools in Washington, CT

Schools in Washington, Connecticut are represented by a single institution, Shepaug Valley School, a combined middle/high school serving grades 6–12 as part of Regional School District 12 in a small, rural New England community. With 486 students and no standalone elementary or middle schools, this one campus anchors the entire town's secondary education, offering a unique structure where younger and older students share resources and faculty.

Shepaug Valley School is an academic standout, ranking 11th out of 141 Connecticut high schools for 2024–2025—a 92nd-percentile performance that earns a 5-star rating. This reflects a remarkable three-year climb from 40th place in 2022–2023 to 27th in 2023–2024. The school's graduation rate is 97.5%, well above the state's 91.2%. Test proficiency is consistently excellent: in 2025–2026, 8th-grade ELA hit 87.5% proficient versus 51.1% statewide, and 7th-grade math reached 81.4% versus 44.1%. Even the 11th-grade SAT ELA score of 75.7% beats the state average of 55.3%, while science proficiency on the NGSS is outstanding—80% in 8th grade and 77.2% in 11th grade, compared to roughly 50% statewide. Most grade levels improved year over year in ELA and math, with notable gains in 8th-grade ELA (+18.6 points) and 7th-grade math (+10.7 points).

The school is well-resourced, with a favorable 9.1:1 student–teacher ratio and per-student spending of $30,613, supporting individualized attention. About 18.3% of students qualify for free or reduced lunch, reflecting a relatively advantaged population. The one caution flag is chronic absenteeism at 17.8%—higher than the district's 13.0% and the state's 16.4%—even though academic outcomes remain top-tier. Also worth monitoring is the 11th-grade SAT ELA drop from 86.4% to 75.7%, though it stays far above state norms. Overall, Shepaug Valley School offers an exceptional, well-funded education in a small, supportive environment, making it one of Connecticut's top-performing schools despite the attendance concern.