Island Trees High School

The Island Trees High School is a coeducational public high school serving students in ninth through twelfth grades, located at 59 Straight Lane, Levittown, New York. It is a part of the Island Trees Union Free School District, 31.0 miles east of Manhattan. The school offers various clubs, electives, and AP courses. Island Trees High School serves portions of Levittown, Bethpage and Seaford.

As of the 2014-15 school year, the school had an enrollment of 770 students and 58.7 classroom teachers (on an FTE basis), for a student–teacher ratio of 13.1:1. There were 87 students (11.3% of enrollment) eligible for free lunch and 34 (4.4% of students) eligible for reduced-cost lunch.