St. John the Baptist Diocesan High School
1170 Montauk Hwy, West Islip, NY 11795
About St. John the Baptist Diocesan High School
St. John the Baptist Diocesan High School is a high school in West Islip, New York, serving grades 9–12. The school is located in a large suburb in Suffolk County.
In the 2024–25 school year, 969 students were enrolled, with about 15 students for every full-time teacher. That ratio is larger than the typical New York high school (10.7 students per teacher). It is affiliated with the Roman Catholic tradition.
Grades
Location & nearby schools
School details
- Type
- Catholic School · What this means
- Religious affiliation
- Roman Catholic
- Level
- High
- Grades offered
- 9–12
- Enrollment (2024–25)
- 969 students
- Students per teacher
- 15 to 1
- Locale
- Suburb — Large
- County
- Suffolk County
- NCES private school ID
- 00931459
Schools near St. John the Baptist Diocesan High School
All 8 schools in West Islip →School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.