COLD SPRING HARBOR HIGH SCHOOL

Located at 82 TURKEY LN, in COLD SPRING HARBOR, New York, COLD SPRING HARBOR HIGH SCHOOL is a moderately sized four-year high school that serves 719 students (grades 7 through 12), operated by COLD SPRING HARBOR CENTRAL SCHOOL DISTRICT.

COLD SPRING HARBOR CENTRAL SCHOOL DISTRICT runs 4 schools in total, collectively educating 1,531 students. COLD SPRING HARBOR HIGH SCHOOL is one of those campuses.

On demographics, COLD SPRING HARBOR HIGH SCHOOL logs that nearly all students (82%) are White; the rest breaks down as 7% Asian, 7% Hispanic, 4% multiracial. The wider county runs roughly 66% White, putting the school's mix meaningfully more White than the area baseline.

Looking at school resources, The school employs 73 full-time-equivalent teachers, for a student-teacher ratio near 9.8:1. That figure is tighter than the state norm's 11.0:1 average. About 3% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. Set against Suffolk County (around 39%), the school's rate is south of typical.

On a residual basis (actual vs predicted given the student mix), COLD SPRING HARBOR HIGH SCHOOL tracks the demographic baseline. The model predicts 73.8% given the school's FRL share; actual proficiency is 92.8%.

Zooming out to the county, community-level numbers for Suffolk County indicate median household earnings sit near $130,686, 40% of adults hold a bachelor's degree or higher, and the poverty rate sits near 4%. COLD SPRING HARBOR HIGH SCHOOL is one of 343 public schools in Suffolk County (combined enrollment of about 222,439 students).

The closest other public school is GOOSEHILL PRIMARY CENTER, roughly 1.0 miles away. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, COLD SPRING HARBOR HIGH SCHOOL comes 1st of 8 in the immediate cluster, higher than the nearby-schools average of 58.7%.

COLD SPRING HARBOR HIGH SCHOOL operates from a residential location.

Trend over the last 7 years. Looking back 7 years, enrollment at COLD SPRING HARBOR HIGH SCHOOL has ticked down 24%, going from 944 students in 2018 to 719 in 2025. The White share of enrollment edged down from 90% to 82% over that span. Class-load math has fell: from 11.3:1 in 2018 to 9.8:1 in 2025.

On the community side, members of the COLD SPRING HARBOR HIGH SCHOOL community share and discuss school events, parent volunteer needs, and clubs. Members of the school community can share what they know.