 As of 2018, the total enrollment was 2,368 and the student to teacher ratio was 14 to 1 as per the U.S. News & World Report.In 2012, U.S. News & World Report ranked Commack High School the best high school in Suffolk County, the third best on Long Island, the 18th best in New York state, and the 95th best in the country.As of 2018, Commack High School is unranked in New York State.