Miller Place High School is a public high school in the Miller Place Union Free School District along the north shore of Long Island, New York, United States. It is the only high school in the district and contains grades 9-12. The school has been ranked the 78th in the United States for the number of students taking AP classes. In the 2013-14 school year, the school had an enrollment of 953 students and 62.8 classroom teachers (on a FTE basis, for a student-teacher ratio of 15.2.