Garden City High School is the public high school in the Incorporated Village of Garden City in the Town of Hempstead, New York, United States. In 2016 Garden City High School was ranked the #121 school in the nation by U.S. News & World Report.

As of the 2018–19 school year, the school had an enrollment of 1,188 students and 94.5 classroom teachers (on an FTE basis), for a student–teacher ratio of 12.6:1. There were 46 students (3.9% of enrollment) eligible for free lunch and 4 (0.3% of students) eligible for reduced-cost lunch.