Centereach High School  Centereach High School is a public high school in the Middle Country Central School District located in Centereach, Suffolk County, Long Island, New York. It teaches a college preparatory curriculum for grades nine through twelve. The total minority enrollment is 26%, and 33% of students are economically disadvantaged. Centereach High School is 1 of 2 high schools in the Middle Country Central School District. As of the 2014–15 school year, the school had an enrollment of 1,552 students and 106.5 classroom teachers (on an FTE basis), for a student–teacher ratio of 14.6:1. There were 308 students (19.8% of enrollment) eligible for free lunch and 115 (7.4% of students) eligible for reduced-cost lunch. Centereach High School opened in 1970, to serve the continuing population growth in central Suffolk County and in the Middle Country Central School District. Students have the opportunity to take Advanced Placement® coursework and exams. The AP® participation rate at Centereach High School is 40%. According to 2007 data, 97.8% of Centereach graduates earn a New York State Regent's diploma. 53.3 percent of graduates plan to attend 4 year college, and 40.8% plan to attend a 2 year college. In 2019 Niche School Rankings, assessed Centereach High School at an overall grade of A-. Centereach High was ranked as #2,861 in Best Public High Schools in America, #212 out of 1,236 in New York State and #29 out of 59 in Suffolk County. The Stephen I. Tupper planetarium hosts a variety of shows and serves as an integral part of the elementary science curriculum, receiving its funding through the school budget. It boasts a 12.2 m dome, seating for 120, and a projector nicknamed Sidney. Its directors have included David Cohn, who has worked on coordinated efforts with NASA/JPL, and Thomas Madiganny, who has worked as an IT professional for the likes of Robert Half International. Centereach fields a number of varsity and junior varsity athletic teams, in Section 11, Division 2 of the New York State Public High School Athletic Association, including Baseball, Basketball, Bowling, Cheerleading, Cross Country, Fencing, Field Hockey, Football, Golf, Gymnastics, Lacrosse, Soccer, Softball, Tennis, Track & Field, Volleyball (Girls), and Wrestling. In the fall of 1995, the cross country team (a joint Middle Country team with Newfield High School) won its first state Federation title.