Summary:
Darien School District serves one high school, Darien High School, which enrolls 1,382 students in grades 9–12 in an affluent Connecticut community. Because this is the district’s only high school, its metrics directly define the district’s performance and rankings.
Darien High School is an elite institution by any measure. It holds a 5-star rating and ranks 5th out of 133 Connecticut high schools for 2025–2026, after ranking 3rd and 6th in the prior two years. The district itself is ranked 6th out of 153 districts statewide. Academically, 11th graders post proficiency rates far above state averages: 91.4% in English Language Arts vs. 55.3% statewide, 77.2% in math vs. 31.3%, and 75.8% in science vs. 50.5%. Math is the most striking advantage, with proficiency roughly 2.5 times the state rate. The graduation rate is 98.3%, exceeding the state’s 91.2%, and chronic absenteeism is just 4.4% compared to 16.4% statewide — a 12-point gap that reflects remarkably consistent attendance.
The school’s strong outcomes are supported by substantial resources: a favorable student/teacher ratio of 10.7 and per-student spending of $20,689, though that spending figure is from 2018–2019. Only 3.91% of students qualify for free or reduced-price lunch, indicating a largely economically advantaged population. While proficiency rates dipped slightly across all subjects from 2024–2025 to 2025–2026 — ELA down 2.9 points, math down 1.4, and science down 2.5 — these are modest changes that do not affect the school’s elite standing. Darien High School remains one of Connecticut’s top-performing public high schools, and its consistent 5-star rankings and near-perfect graduation rate make it a standout choice for families in the area.
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