Greenwich High School U.S. News & World Report has released its 2026-27 rankings of the best public high schools in the United States, and Greenwich High School (GHS) secured the #2 spot in Connecticut and #194 nationally. Check Out the U.S. News and World Report 2026-27 Rankings. Connecticut IB Academy in East Hartford took the top spot in the state. Rounding out the top rankings behind Greenwich High were Weston High School, Darien High School, Staples High School in Westpo