The Shelter Island, NY educational system consists of 1 public schools, n/a private schools and n/a post-secondary schools. Shelter Island public schools have average test scores of 55% which is 13% higher than than the New York average and 11% higher than than the national average. The student to teach ratio of Shelter Island public schools is n/a, compared to n/a in New York and 16:1 across all of the United States. A total of 94.6% of students have completed 8th grade, 94.6% have completed high school, 51.4% have completed a bachelor’s degree and 2.4% have completed a doctorate degree.