The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·COLD SPRING HARBOR CENTRAL SCHOOL DISTRICT·NCES 360801000573

COLD SPRING HARBOR HIGH SCHOOL

82 TURKEY LN, COLD SPRING HARBOR, NY 11724 · (631) 367-6900 · Suffolk County
GRADES 07–12HIGH21-SUBURBREGULAR SCHOOL719 STUDENTS
A
allk12 Grade
Scored higher than 92% of New York public high schools
  • A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded New York public high schools

Enrollment
719
High
DISTRICT 383 · STATE 668
Student : Teacher
9.8:1
73 FTE teachers
DISTRICT 10.6:1 · STATE 11.0:1
Free / Reduced Lunch
3%
23 students
DISTRICT 2% · STATE 58%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 713018%
Grade 812918%
Grade 911216%
Grade 1011015%
Grade 1110214%
Grade 1213519%
Ungraded10%
Student demographics
32%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 30% · STATE 72% · US 70%
White
58882%
DISTRICT 83% · STATE 39% · US 43%
Hispanic
477%
DISTRICT 6% · STATE 31% · US 30%
Black
10%
DISTRICT 1% · STATE 16% · US 15%
Asian
507%
DISTRICT 6% · STATE 10% · US 6%
Two+
324%
DISTRICT 4% · STATE 4% · US 5%
Native American
10%
DISTRICT 0% · STATE 1% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
34848%
Female
37152%

School pathway

Feeds from
LLOYD HARBOR SCHOOL02–06WEST SIDE SCHOOL02–06
Based on grade levels within COLD SPRING HARBOR CENTRAL SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.

Discussions

+ POST

Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
88.1%
NY avg 58.3% . -6.3pp since 2023
Math
94.0%
NY avg 57.4% . -3.1pp since 2023

What this means: On the NYS Assessments, New York's statewide test, about 88 of every 100 students at this school read and write at grade level and about 94 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are down about 6 points since 2023, while math scores are down about 3 points.

NYS Assessments results by year

School yearEnglish Language ArtsMath
2024-2588.1%94.0%
2023-2494.4%97.0%
% Proficient (Level 3 + Level 4), all students and all tested grades.
Source: NYS Assessments. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
92.8%
composite math + reading, all grades
Predicted
73.8%
based on NY schools with similar FRL share
Beats by
+19.0pp
above demographic expectation

What this means: About 93% of students here test proficient in math and reading, compared with the roughly 74% typical for New York schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among New York's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like COLD SPRING HARBOR HIGH SCHOOL

COLD SPRING HARBOR HIGH SCHOOL's state test result (92.8% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
COLD SPRING HARBOR HIGH SCHOOL this school7193.2%92.8%
BYRAM HILLS HIGH SCHOOL
ARMONK
7406.6%97.0%
RYE HIGH SCHOOL
RYE
8872.4%90.3%
BRONXVILLE HIGH SCHOOL
BRONXVILLE
5354.5%94.8%
SHOREHAM-WADING RIVER HIGH SCHOOL
SHOREHAM
6296.0%83.3%
JOHN JAY HIGH SCHOOL
CROSS RIVER
9128.2%86.4%
Matched among New York high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where COLD SPRING HARBOR HIGH SCHOOL ranks

Among high schools
MeasureThis schoolIn New YorkIn Suffolk County
State test proficiency
ranked highest first
92.8%#30 of 1,135#4 of 57
Math proficiency
ranked highest first
94.0%#24 of 1,109
▼ 8
#3 of 57
▼ 2
Reading proficiency
ranked highest first
88.1%#231 of 1,135
▼ 94
#27 of 56
▼ 11
Enrollment
ranked largest first
719#348 of 1,216#45 of 59
Students per teacher
ranked fewest first
9.8:1#270 of 1,058#12 of 57
Diversity index
ranked most diverse first
32.0%#775 of 1,070#52 of 57
Free and reduced lunch
ranked highest share first
3.2%#1,160 of 1,167#57 of 57
Enrollment change since 2017-18
ranked steepest decline first
-23.8%#131 of 743#4 of 45
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
719
-75 (-9%) vs 2020
+15% since 1990-91, when it was 624
Student : Teacher
9.8:1
was 10.7:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2571973.49.8:13% (23)
2023-2473576.29.7:1N/A
2022-2373977.79.5:1N/A
2020-217947410.7:1N/A
2017-1894483.911.3:10% (4)
2015-169648411.5:11% (10)
2010-119978611.6:10% (3)
2000-018206612.4:10% (1)
1990-916245611.1:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for COLD SPRING HARBOR HIGH SCHOOL.

About COLD SPRING HARBOR HIGH SCHOOL

COLD SPRING HARBOR HIGH SCHOOL is a medium-sized high school with its address in COLD SPRING HARBOR, New York. It educates 719 students in grades 7 through 12.

COLD SPRING HARBOR HIGH SCHOOL is part of a district of 4 schools: COLD SPRING HARBOR CENTRAL SCHOOL DISTRICT, with 1,531 students.

At COLD SPRING HARBOR HIGH SCHOOL, White students make up 82% of the student body. The remaining students are 7% Asian, 7% Hispanic, and 4% multiracial. Among people living in Suffolk County, the White share is about 66%. By the diversity index, COLD SPRING HARBOR HIGH SCHOOL comes in at 32%.

At COLD SPRING HARBOR HIGH SCHOOL, 73.4 full-time-equivalent teachers work with students, a ratio of about 9.8:1. For comparison, high schools in New York average 11.0:1. Roughly 3% of the student body qualifies for free or reduced-price lunch. That is lower than the 39% average for public schools in Suffolk County.

Measured against New York public high schools, COLD SPRING HARBOR HIGH SCHOOL receives an A. The grade weighs proficiency most heavily, then how results compare with what the school's low-income share predicts, then the three-year change.

When test results are adjusted for free or reduced-price lunch eligibility, COLD SPRING HARBOR HIGH SCHOOL is 19.0 points above its prediction. Actual: 92.8%. Predicted: 73.8%.

Recent Census Bureau figures for Suffolk County show that median household income is about $130,686, roughly 40% of adults have a four-year degree or more, and about 4% of residents live below the federal poverty line. Federal data list 343 public schools in Suffolk County, with a combined enrollment of about 222,439.

GOOSEHILL PRIMARY CENTER is the closest public school, about 1.0 miles away in a straight line. COLD SPRING HARBOR HIGH SCHOOL is one of several public schools in the area, with at least 8 others within five miles. The school's 92.8% average proficiency ranks 1st among 8 nearby schools.

NCES assigns COLD SPRING HARBOR HIGH SCHOOL the locale Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

COLD SPRING HARBOR HIGH SCHOOL had 794 students in 2020-21 and 719 in 2024-25, a 9% decrease.

The COLD SPRING HARBOR HIGH SCHOOL community page is open for posts about school events, clubs, and volunteer needs. Posting is open to anyone connected to the school.

Suffolk County at a glance

View full county profile
Population
1,530,146
Census ACS
Median income
$130,686
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
343
222,439 students

Quick facts

School name
COLD SPRING HARBOR HIGH SCHOOL
District
COLD SPRING HARBOR CENTRAL SCHOOL DISTRICT
Address
82 TURKEY LN, COLD SPRING HARBOR, NY 11724
Phone
(631) 367-6900
County
Suffolk County
Level
High
Grade range
07–12
Total enrollment
719
Teachers (FTE)
73
Student–teacher ratio
9.8:1
Free and reduced lunch
23 (3%)
Locale
21-Suburb: Large
NCES ID
360801000573
Charter school
No
Virtual school
No

Related schools

Other schools in COLD SPRING HARBOR CENTRAL SCHOOL DISTRICT
Other schools in COLD SPRING HARBOR
Nearby schools

Frequently asked questions

About COLD SPRING HARBOR HIGH SCHOOL
How large is COLD SPRING HARBOR HIGH SCHOOL?
COLD SPRING HARBOR HIGH SCHOOL enrolls approximately 719 students in grades 07-12.
Is COLD SPRING HARBOR HIGH SCHOOL an elementary, middle, or high school?
COLD SPRING HARBOR HIGH SCHOOL is a high school covering grades 07-12.
How many students per teacher at COLD SPRING HARBOR HIGH SCHOOL?
Approximately 9.8:1 students per teacher at COLD SPRING HARBOR HIGH SCHOOL.
What is the racial breakdown of students at COLD SPRING HARBOR HIGH SCHOOL?
At COLD SPRING HARBOR HIGH SCHOOL, the student body is approximately 82% White, 7% Hispanic, 0% Black, 7% Asian, 4% Two or more.
Who oversees COLD SPRING HARBOR HIGH SCHOOL?
COLD SPRING HARBOR HIGH SCHOOL is overseen by COLD SPRING HARBOR CENTRAL SCHOOL DISTRICT in Suffolk County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post