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SCHOOL COMMUNITY·OCEANSIDE UNION FREE SCHOOL DISTRICT·NCES 362157006053

CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE

25 CASTLETON CT, OCEANSIDE, NY 11572 · (516) 678-7593 · Nassau County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL35 STUDENTS
Enrollment
35
High
DISTRICT 852 · STATE 668
Student : Teacher
4.6:1
8 FTE teachers
DISTRICT 8.0:1 · STATE 11.0:1
Free / Reduced Lunch
49%
17 students
DISTRICT 20% · STATE 58%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 10
4
Grade 11
13
Grade 12
18
Student demographics
White
1029%
DISTRICT 62% · STATE 39%
Hispanic
2057%
DISTRICT 25% · STATE 31%
Black
13%
DISTRICT 3% · STATE 16%
Asian
26%
DISTRICT 5% · STATE 10%
Two+
26%
DISTRICT 4% · STATE 4%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
2263%
Female
1337%

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Test scores

NYS Assessments 2024-25 . % Proficient (Level 3 + Level 4)
English Language Arts
81.0%
NY avg 58.3% . -2.0pp since 2023
Math
25.0%
NY avg 57.4% . +3.0pp since 2023
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
58.8%
composite math + reading, all grades
Predicted
57.1%
based on NY schools with similar FRL share
Beats by
+1.7pp
above demographic expectation
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
35
-8 (-19%) vs 2017
Student : Teacher
4.6:1
was 10.8:1
% White
29%
was 72%
% Hispanic
57%
was 16%
% Black
3%
was 9%
% Asian
6%
was 0%
Source: NCES Common Core of Data

About CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE

CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE operates as a tiny senior high in OCEANSIDE, New York, run under OCEANSIDE UNION FREE SCHOOL DISTRICT. Current enrollment sits at 35 students spanning grades 9 through 12. Enrollment runs roughly 95% below the state mean of about 668.

OCEANSIDE UNION FREE SCHOOL DISTRICT runs 10 schools in total, collectively educating 5,465 students. CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE is one of those campuses.

In terms of who attends, CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE records that Hispanic students make up the majority at 57%. Other groups include 29% White, 6% Asian, 6% multiracial, 3% Black. The wider county runs roughly 19% Hispanic, putting the school's mix considerably more Hispanic than the area baseline.

In terms of school funding signals, The school currently runs with 8 full-time-equivalent teachers, for a student-teacher ratio near 4.6:1. The state averages around 11.0:1, so this campus is tighter than the state norm typical. Around 49% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy. Set against Nassau County (around 31%), the school's rate is noticeably above typical.

On a residual basis (actual vs predicted given the student mix), CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 57.1%, the actual is 58.8%, a residual of +1.7 points.

Across the wider county, the surrounding county (Nassau County) logs that median household earnings sit near $146,202, about 50% of the adult population holds a bachelor's degree or above, and roughly 4% of residents live below the federal poverty line. In all, Nassau County runs 315 public schools (combined enrollment of about 200,775 students), of which CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE is one.

Nearest neighbor: SCHOOL 6-KINDERGARTEN CENTER, around 0.0 miles off. Counting just inside five miles, 8 other public schools cluster around CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE. Ranking that nearby cluster on reported proficiency puts CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE at 7th of 8; the average score across the group is 64.6%.

Geographically, the school is in a bedroom-community area.

Trend over the last 7 years. CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE's enrollment has ticked down 19% since 2018, when it stood at 43 (now 35). Over the same period, the White share contracted from 72% to 29%. The student-to-teacher ratio tightened from 10.8:1 in 2018 to 4.6:1 today.

On allk12, recent activity here tends to focus on enrollment questions, classroom assignments, and PTA news. Members of the school community can share what they know.

Nassau County at a glance

View full county profile
Population
1,389,591
Census ACS
Median income
$146,202
Household, ACS
Bachelor's+
50%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
315
200,775 students

Quick facts

School name
CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE
District
OCEANSIDE UNION FREE SCHOOL DISTRICT
Address
25 CASTLETON CT, OCEANSIDE, NY 11572
Phone
(516) 678-7593
County
Nassau County
Level
High
Grade range
09–12
Total enrollment
35
Teachers (FTE)
8
Student–teacher ratio
4.6:1
Free/Reduced lunch
17 (49%)
Locale
21-Suburb: Large
NCES ID
362157006053
Charter school
No
Virtual school
No

Related schools

Other schools in OCEANSIDE UNION FREE SCHOOL DISTRICT
Other schools in OCEANSIDE
Nearby schools

Frequently asked questions

About CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE
How many students attend CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE?
CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE enrolls approximately 35 students in grades 09-12.
What grades does CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE serve?
CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE serves grades 09-12.
What is the student-teacher ratio at CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE?
The student-to-teacher ratio at CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE is approximately 4.6:1 (8 FTE teachers).
What is the student diversity at CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE?
Student demographics at CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE are roughly 29% White, 57% Hispanic, 3% Black, 6% Asian, 6% Two or more.
What district is CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE in?
CASTLETON ACADEMY HIGH SCHOOL OF OCEANSIDE is part of OCEANSIDE UNION FREE SCHOOL DISTRICT.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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