| Central Islip Senior High School | |
| Address: | 85 Wheeler Road |
| Town: | Central Islip, New York 11722-9027 |
| Country: | United States |
| Type: | Public high school |
| Principal: | Eric Haruthunian |
| Enrollment: | 2,343 (2018–19)[1] |
| Ratio: | 16.45 |
| Staff: | 142.43 (FTE) |
| Grades: | 9 to 12 |
| District: | Central Islip Union Free School District |
| Colors: | Purple and gold |
| Mascot: | Musketeer |
| Newspaper: | The Rapier |
| Website: | School pageDistrict page |
Central Islip Senior High School is a high school in Central Islip, New York, United States, serving students in grades 9-12. It is part of the Central Islip Union Free School District.
According to 2007 data, 78.6% of Central Islip graduates earn a New York State Regent's diploma. 35.1 percent of graduates plan to attend four-year college, and 39.7% plan to attend a two-year college.[2]
Central Islip fields varsity and junior varsity athletic teams in Section 11 of the New York State Public High School Athletic Association, including cross country, soccer, volleyball, football, swimming, tennis, bowling, basketball, wrestling, baseball, softball, and track.