CENTRAL ISLIP SENIOR HIGH SCHOOL

Located at 85 WHEELER RD, in CENTRAL ISLIP, New York, CENTRAL ISLIP SENIOR HIGH SCHOOL is a substantial 9-12 campus that hosts 2,615 students (grades 9 through 12), one of the schools within CENTRAL ISLIP UNION FREE SCHOOL DISTRICT. Compared to the state average of about 668 students per school, that is 291% bigger than typical.

CENTRAL ISLIP SENIOR HIGH SCHOOL is one of 8 schools operated by CENTRAL ISLIP UNION FREE SCHOOL DISTRICT, a district that enrolls 7,773 students overall.

On the student-mix side, CENTRAL ISLIP SENIOR HIGH SCHOOL shows that the student body is overwhelmingly Hispanic (81%); the rest is composed of 15% Black. The wider county runs roughly 23% Hispanic, putting the school's mix meaningfully more Hispanic than the area baseline.

Looking at school resources, The school currently runs with 155 full-time-equivalent teachers, for a student-teacher ratio near 16.9:1. Statewide, the average ratio sits near 11.0:1, putting CENTRAL ISLIP SENIOR HIGH SCHOOL higher than the state norm the norm. About 56% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. Set against Suffolk County (around 39%), the school's rate is meaningfully above typical.

On a demographically-adjusted basis, CENTRAL ISLIP SENIOR HIGH SCHOOL tracks the demographic baseline. The model predicts 54.6% given the school's FRL share; actual proficiency is 47.3%.

In the area at large, community-level numbers for Suffolk County indicate the typical household earns roughly $130,686 per year, 40% of adults hold a bachelor's degree or higher, and the poverty rate sits near 4%. CENTRAL ISLIP SENIOR HIGH SCHOOL is one of 343 public schools in Suffolk County (combined enrollment of about 222,439 students).

ANTHONY ALFANO ELEMENTARY SCHOOL is the nearest neighboring public school, about 0.4 miles from this campus. Counting just inside five miles, 8 other public schools cluster around CENTRAL ISLIP SENIOR HIGH SCHOOL. Ranking that nearby cluster on reported proficiency puts CENTRAL ISLIP SENIOR HIGH SCHOOL at 2nd of 8; the average score across the group is 37.2%.

The school occupies a suburban site.

Looking at the recent track record. Looking back 7 years, enrollment at CENTRAL ISLIP SENIOR HIGH SCHOOL has rose 14%, going from 2,303 students in 2018 to 2,615 in 2025. The Hispanic share of enrollment climbed from 75% to 81% over that span.

In the discussion threads here, the feed for CENTRAL ISLIP SENIOR HIGH SCHOOL typically covers classroom updates, athletics, and weather closures. The community welcomes input from current and former families.