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SCHOOL COMMUNITY·LONGWOOD CENTRAL SCHOOL DISTRICT·NCES 361923001753

LONGWOOD HIGH SCHOOL

100 LONGWOOD RD, MIDDLE ISLAND, NY 11953 · (631) 345-9200 · Suffolk County
GRADES 09–12HIGH41-RURALREGULAR SCHOOL2,993 STUDENTS
B
allk12 Grade
Scored higher than 57% of New York public high schools
  • BTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • B-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
2,993
High
DISTRICT 1,255 · STATE 668
Student : Teacher
13.6:1
220 FTE teachers
DISTRICT 13.5:1 · STATE 11.0:1
Free / Reduced Lunch
36%
1,069 students
DISTRICT 40% · 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 970924%
Grade 1075325%
Grade 1173525%
Grade 1274925%
Ungraded472%
Student demographics
70%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 70% · STATE 72% · US 70%
White
1,21240%
DISTRICT 42% · STATE 39% · US 43%
Hispanic
91331%
DISTRICT 28% · STATE 31% · US 30%
Black
59320%
DISTRICT 18% · STATE 16% · US 15%
Asian
943%
DISTRICT 3% · STATE 10% · US 6%
Two+
1645%
DISTRICT 8% · STATE 4% · US 5%
Native American
70%
DISTRICT 0% · STATE 1% · US 1%
Pacific Islander
90%
DISTRICT 0% · STATE 0% · US 0%
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
1,52751%
Female
1,46549%

School pathway

Feeds from
LONGWOOD JUNIOR HIGH SCHOOL07–08
Based on grade levels within LONGWOOD CENTRAL SCHOOL DISTRICT. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
89.0%
NY avg 58.3% . +1.0pp since 2023
Math
53.0%
NY avg 57.4% . -11.0pp since 2023

What this means: On the NYS Assessments, New York's statewide test, about 89 of every 100 students at this school read and write at grade level and about 53 of 100 do math at grade level. Across all New York schools, those numbers are about 58 and 57. Reading and writing scores are up about 1 points since 2023, while math scores are down about 11 points.

NYS Assessments results by year

School yearEnglish Language ArtsMath
2024-2589.0%53.0%
2023-2488.0%64.0%
% 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
66.0%
composite math + reading, all grades
Predicted
61.9%
based on NY schools with similar FRL share
Beats by
+4.1pp
above demographic expectation

What this means: About 66% of students here test proficient in math and reading, compared with the roughly 62% 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 LONGWOOD HIGH SCHOOL

LONGWOOD HIGH SCHOOL's state test result (66.0% proficient) is higher than 1 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
LONGWOOD HIGH SCHOOL this school2,99335.7%66.0%
ARLINGTON HIGH SCHOOL
LAGRANGEVILLE
2,47231.1%71.2%
MONROE-WOODBURY HIGH SCHOOL
CENTRAL VALLEY
2,28538.2%71.8%
ROY C KETCHAM SENIOR HIGH SCHOOL
WAPPINGERS FALLS
1,55739.4%58.5%
SACHEM HIGH SCHOOL NORTH
LAKE RONKONKOMA
2,00833.8%76.8%
PINE BUSH SENIOR HIGH SCHOOL
PINE BUSH
1,56243.0%74.0%
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 LONGWOOD HIGH SCHOOL ranks

Among high schools
MeasureThis schoolIn New YorkIn Suffolk County
State test proficiency
ranked highest first
66.0%#414 of 1,135#39 of 57
Math proficiency
ranked highest first
53.0%#550 of 1,109
▼ 98
#40 of 57
▼ 3
Reading proficiency
ranked highest first
89.0%#216 of 1,135
▲ 109
#25 of 56
▲ 6
Enrollment
ranked largest first
2,993#18 of 1,216#3 of 59
Students per teacher
ranked fewest first
13.6:1#893 of 1,058#49 of 57
Diversity index
ranked most diverse first
69.9%#90 of 1,070#5 of 57
Free and reduced lunch
ranked highest share first
35.7%#927 of 1,167#23 of 57
Enrollment change since 2017-18
ranked fastest growth first
+5.4%#212 of 339#9 of 12
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
2,993
-1 (0%) vs 2020
+51% since 1990-91, when it was 1,982
Student : Teacher
13.6:1
was 13.9:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-252,993220.313.6:136% (1,069)
2023-242,993225.213.3:144% (1,320)
2022-232,97722213.4:144% (1,314)
2020-212,99421613.9:140% (1,212)
2017-182,841201.714.1:151% (1,441)
2015-162,70919014.3:148% (1,298)
2010-112,93220614.2:129% (855)
2000-012,14513216.3:110% (221)
1990-911,98213614.6:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for LONGWOOD HIGH SCHOOL.

About LONGWOOD HIGH SCHOOL

LONGWOOD HIGH SCHOOL sits in MIDDLE ISLAND, New York, and is classified as a high school. The school has 2,993 students in 2024-25 across grades 9 through 12. High schools in New York average about 668 students, which makes this school 348% above average.

LONGWOOD CENTRAL SCHOOL DISTRICT is made up of 7 schools with 8,787 students in all.

The largest racial or ethnic group at LONGWOOD HIGH SCHOOL is White, with 40% of students. Other groups make up 31% Hispanic, 20% Black, 5% multiracial, and 3% Asian. Suffolk County as a whole is about 66% White, so the school's share is lower. On the diversity index, which measures the chance that two random students are from different groups, LONGWOOD HIGH SCHOOL scores 70%.

LONGWOOD HIGH SCHOOL has a student-to-teacher ratio of 13.6:1, with 220.3 full-time-equivalent teachers. The average for high schools in New York is 11.0:1, so this school has more students per teacher. A common income measure, free or reduced-price lunch eligibility, is 36% at LONGWOOD HIGH SCHOOL.

LONGWOOD HIGH SCHOOL earns a B on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 57% of New York public high schools.

LONGWOOD HIGH SCHOOL posts an average proficiency rate across its state test results of 66.0%, compared with a predicted 61.9%. It is not in the top or bottom 10% of New York schools on BeatsExpectations.

American Community Survey estimates for Suffolk County show that the median household earns about $130,686 a year, about 40% of adults have at least a bachelor's degree, and roughly 4% of residents are in poverty. Suffolk County has 343 public schools with about 222,439 students, including LONGWOOD HIGH SCHOOL.

LONGWOOD JUNIOR HIGH SCHOOL sits about 0.8 miles from LONGWOOD HIGH SCHOOL. LONGWOOD HIGH SCHOOL has at least 8 other public schools within five miles. Among 9 nearby schools that report test results, LONGWOOD HIGH SCHOOL ranks 2nd on proficiency.

The school's federal locale classification is Rural: Fringe.

Federal data show 2,994 students in 2020-21 and 2,993 in 2024-25, a difference of under 3%.

This community page is for conversations about fundraisers, report cards, and school supplies. Teachers and staff are welcome to share updates too.

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
LONGWOOD HIGH SCHOOL
District
LONGWOOD CENTRAL SCHOOL DISTRICT
Address
100 LONGWOOD RD, MIDDLE ISLAND, NY 11953
Phone
(631) 345-9200
County
Suffolk County
Level
High
Grade range
09–12
Total enrollment
2,993
Teachers (FTE)
220
Student–teacher ratio
13.6:1
Free and reduced lunch
1,069 (36%)
Locale
41-Rural: Fringe
NCES ID
361923001753
Charter school
No
Virtual school
No

Related schools

Other schools in LONGWOOD CENTRAL SCHOOL DISTRICT
Other schools in MIDDLE ISLAND
Nearby schools

Frequently asked questions

About LONGWOOD HIGH SCHOOL
How many students attend LONGWOOD HIGH SCHOOL?
LONGWOOD HIGH SCHOOL enrolls approximately 2,993 students in grades 09-12.
Is LONGWOOD HIGH SCHOOL an elementary, middle, or high school?
LONGWOOD HIGH SCHOOL is a high school covering grades 09-12.
How many teachers does LONGWOOD HIGH SCHOOL have?
LONGWOOD HIGH SCHOOL employs 220 FTE teachers, for a student-to-teacher ratio of 13.6:1.
What is the student diversity at LONGWOOD HIGH SCHOOL?
Student demographics at LONGWOOD HIGH SCHOOL are roughly 40% White, 31% Hispanic, 20% Black, 3% Asian, 5% Two or more.
Who oversees LONGWOOD HIGH SCHOOL?
LONGWOOD HIGH SCHOOL is overseen by LONGWOOD CENTRAL SCHOOL DISTRICT in Suffolk County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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