Niche has just released its 2027 rankings of the top public and private high schools in Connecticut. Greenwich High School (GHS) earned a coveted spot among the top public high schools statewide. Top 5 Public High Schools in Connecticut New Canaan High School Staples High School (Westport) Darien High School Greenwich High School — Reclaimed the #4 spot statewide (after briefly dipping to #5 in 2026 from #4 in 2025). GHS ranks #268 out of over 20,000 public high schools natio