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Very Good

#1252 of 4,739 schools in NY

Top 26% in state

Castleton Academy High School of Oceanside

High School · OCEANSIDE UNION FREE SCHOOL DISTRICT

25 CASTLETON CT, Oceanside, NY 11572

Enrollment

34

Student-Teacher

5.7:1

Score

7.4

Grades

9th – 12th

Updated 2022-23

How this school compares

In Oceanside

#8 of 10

public schools

New York high schools

#310 of 1,160

In district

#8 of 10

OCEANSIDE UNION FREE SCHOOL DISTRICT

Academic performance

8.3 / 10

Very strong

About Castleton Academy High School of Oceanside

Castleton Academy High School of Oceanside serves 34 students in grades 9-12 with an exceptionally small class environment, maintaining a student-teacher ratio of just 5.7 to 1 with six full-time equivalent teachers. This intimate setting allows for highly personalized attention and instruction that appears to be paying dividends academically. The school demonstrates solid academic performance, earning a 7.6 out of 10 MySchoolScout rating and ranking in the 84th percentile statewide at #764 out of 4,758 New York high schools.

Students show strong proficiency rates with 75% meeting or exceeding standards in both English Language Arts and Mathematics across all grade levels. Located on Castleton Court in Oceanside, the school serves a well-educated and economically stable community where 48% of residents hold bachelor's degrees or higher and the median household income reaches $134,615. The low poverty rate of just 3.3% reflects the area's overall prosperity, with median home values around $608,100.

The school's small size creates a unique high school experience where students can receive individualized support while still accessing a comprehensive curriculum. Castleton Academy operates within Nassau County's large suburban landscape, offering students both the benefits of a close-knit learning environment and access to the broader educational and cultural opportunities of the greater Long Island region.

What Parents Should Know

With an enrollment of 34 students, Castleton Academy High School of Oceanside is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.

With a student-teacher ratio of 5.7:1, Castleton Academy High School of Oceanside offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress7.1Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change0 pts/yr
Data Period2019–2021
TrendStable
Academics8.3Excellent25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency75%
Reading/ELA Proficiency75%
Overall Proficiency75%
Expected (poverty-adj.)62%
vs. Expected+13.4 pts
Adjusted Percentile74th
College Readiness6.5Above Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
IB ProgramNo
Resources & Environment7.9Very Good20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio5.7:1
Per-Pupil Spending$29,616

Castleton Academy High School of Oceanside — Students at Castleton Academy High School of Oceanside score 75% proficient, which is above what's typical for similar communities (expected: 62%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

41.2%

Students qualifying for federal meal assistance

Test Scores NY EDFACTS (2020-21)

Math Proficiency 75.0%
School
State
N/A
ELA Proficiency 75.0%
School
State
N/A

Based on 3 test records from NY state assessments. About our data

Proficiency Trend

→ Stable

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
75%
ELA
75%
2021*
Math
75%

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Source: EdFacts (NCES) and state assessment data. Growth score: 7.1/10.

How Castleton Academy High School of Oceanside Compares

See how Castleton Academy High School of Oceanside performs across key quality dimensions compared to state benchmarks.

Overall Score
7.4/10
74th percentile in NY
Academic
8.3/10
8.3/10
Growth
7.1/10
Above average
Environment
7.9/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
41%
Teaching Staff
6:1 student-teacher ratio
6 teachers

Location

25 CASTLETON CT, Oceanside, NY 11572

Nearby Alternatives

Families considering Castleton Academy High School of Oceanside may also want to explore other high schools in the area. SCHOOL 7-OCEANSIDE SENIOR HIGH SCHOOL (rated 8.6/10, 0.6 miles away), which scores notably higher. Another option is SOUTH SIDE HIGH SCHOOL (rated 7.7/10, 1.8 miles away, in nearby Rockville Centre), with a very similar rating. Additionally, EAST ROCKAWAY JUNIOR-SENIOR HIGH SCHOOL (rated 7.6/10, 1.1 miles away, in nearby East Rockaway), with a very similar rating. For more schools in Oceanside, see our Oceanside schools guide .

Nearby Schools

20 within 1.6 mi
School Distance Rating
SCHOOL 6-KINDERGARTEN CENTER Oceanside 0.0 mi 4.8
SCHOOL 5 Oceanside 0.6 mi 7.9
SCHOOL 7-OCEANSIDE SENIOR HIGH SCHOOL Oceanside 0.6 mi 8.6
SCHOOL 2 Oceanside 0.5 mi 8.3
SCHOOL 4 Oceanside 0.8 mi 7.6
SCHOOL 3 Oceanside 0.6 mi 8.0
SCHOOL 8 Oceanside 1.0 mi 7.4
RIVERSIDE SCHOOL Rockville Centre 1.1 mi 8.9
SOUTH SIDE MIDDLE SCHOOL Rockville Centre 1.3 mi 7.0
SCHOOL 9M-OCEANSIDE MIDDLE SCHOOL Oceanside 1.4 mi 6.8
EAST ROCKAWAY JUNIOR-SENIOR HIGH SCHOOL East Rockaway 1.1 mi 7.6
SCHOOL 9E-BOARDMAN ELEMENTARY SCHOOL Oceanside 1.5 mi 8.3
ROSA LEE YOUNG CHILDHOOD CENTER Rockville Centre 1.5 mi
WATSON SCHOOL Rockville Centre 1.7 mi 7.2
STEELE ELEMENTARY SCHOOL Baldwin 1.4 mi 8.6
PLAZA ELEMENTARY SCHOOL Baldwin 1.7 mi 8.4
CENTRE AVENUE ELEMENTARY SCHOOL East Rockaway 1.5 mi 8.7
SOUTH SIDE HIGH SCHOOL Rockville Centre 1.8 mi 7.7
WILSON SCHOOL Rockville Centre 1.9 mi 8.8
RHAME AVENUE ELEMENTARY SCHOOL East Rockaway 1.6 mi 7.8

Neighborhood Census ACS (2019-2023)

Census data for ZIP 11572 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$144,419

Median Home Value

$627,300

Median Rent

$2,118/mo

Population

30,627

College Educated

47.6%

Homeownership

91.8%

Avg Commute

35.6 min

Poverty Rate

2.8%

Median Age

44.5

Community Profile

The community surrounding Castleton Academy High School of Oceanside has a median household income of $144,419. It is a well-educated community where 48% of adults hold a bachelor's degree or higher. The median home value in the area is $627,300, with a median rent of $2,118/month. The local poverty rate of 2.8% is relatively low. The average commute in the area is 36 minutes, which is above the national average. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
REACH ACADEMY (THE) West Harrison, NY 7.4
CHILDREN'S HOME OF KINGSTON Kingston, NY 7.6
FRANKLIN-ESSEX-HAMILTON BOCES Malone, NY 7.1
MARTIN LUTHER KING JR HIGH SCHOOL Hastings on Hudson, NY 7.9
THE KARAFIN SCHOOL Mount Kisco, NY 6.9
ST ANNE INSTITUTE Albany, NY 6.8

Frequently Asked Questions

Common questions about Castleton Academy High School of Oceanside

What grades does Castleton Academy High School of Oceanside serve?

Castleton Academy High School of Oceanside serves students in grades 9th through 12th.

How many students attend Castleton Academy High School of Oceanside?

Castleton Academy High School of Oceanside has an enrollment of approximately 34 students.

What is the student-teacher ratio at Castleton Academy High School of Oceanside?

The student-teacher ratio at Castleton Academy High School of Oceanside is 5.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Castleton Academy High School of Oceanside rank in NY?

Castleton Academy High School of Oceanside is ranked #1252 out of 4,739 schools in NY.

What is Castleton Academy High School of Oceanside's MySchoolScout rating?

Castleton Academy High School of Oceanside has a composite rating of 7.4 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Castleton Academy High School of Oceanside?

Based on the most recent state assessment data, Castleton Academy High School of Oceanside has 75.0% math proficiency and 75.0% reading/ELA proficiency.

Is Castleton Academy High School of Oceanside a charter school?

No, Castleton Academy High School of Oceanside is not a charter school. It is a traditional public school operated by the local school district.

Is Castleton Academy High School of Oceanside a Title I school?

No, Castleton Academy High School of Oceanside is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Castleton Academy High School of Oceanside?

41.2% of students at Castleton Academy High School of Oceanside qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

11 schools nearby View map →

Neighborhood Context

Walk Score
83 Very Walkable
Transit Score
36 Some Transit
Bike Score
51 Bikeable
County Safety
Elevated (982/100K)

Powered by Walk Score

FBI UCR 2024. County-level only. Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
34
Student-Teacher Ratio
5.7:1
Teachers (FTE)
6
Free/Reduced Lunch
41.2%
Type
regular
Setting
Large Suburb
County
Nassau County
Data Year
2023–2024

District

OCEANSIDE UNION FREE SCHOOL DISTRICT
District Enrollment
5,544
Schools in District
10
Per-Pupil Spending
$28,562
District Rank
#8 of 10

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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