High school (grades 9-12) · Oceanside, NY

Castleton Academy High School of Oceanside

Federal NCES profile for Castleton Academy High School of Oceanside, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 362157006053
0/100100/10041/100
👥 S:T ratio
80
📚 AP courses
10
🌟 Gifted program
30
🎓 Counselors
65
📋 Attendance
22
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Castleton Academy High School of Oceanside earns 41/100 on the Resource Investment Index, with class sizes smaller than 98% of New York schools. It is also one of the smallest schools in New York.

#4 of 10
public schools in Oceanside · Resource Index
41
Resource Index · Typical
5:1
small classes for New York
34.0%
free-lunch eligible

Castleton Academy High School of Oceanside has class sizes smaller than 98% of New York schools. Computed live against every New York school reporting to NCES.

By Resource Investment Index, Castleton Academy High School of Oceanside ranks #4 of 10 public schools in Oceanside, NY.

Enrollment

35

New York · 2024-25 NCES data

Teachers (FTE)

7.0

Federal CCD staff survey

Students per teacher

5:1

vs 11.8:1 New York avg

-58% vs state

Free-lunch eligible

34.0%

vs 56.2% New York avg

-40% vs state

Student-teacher ratio in context

How Castleton Academy High School of Oceanside compares with New York and U.S. medians

Smaller classes than state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Castleton Academy High School of Oceanside

Castleton Academy High School of Oceanside is a small high school in Oceanside, New York, enrolling 35 students.

Classes run notably small here: at 5:1, Castleton Academy High School of Oceanside is leaner than roughly 98% of New York schools and 58% under the state's 11.8:1 norm, more adult attention per pupil than most peers.

Economic need runs somewhat below the state's typical profile, with 34.0% of students eligible for free meals.

This is a small campus: fewer students than 99% of New York schools, with 35 enrolled.

Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.

Its student body is led by Hispanic or Latino (57%) and White (29%) (diversity index 59/100).

No Advanced Placement courses are reported for this campus in the federal data.

Counselor coverage is strong, about 175 students per counselor, inside the American School Counselor Association's recommended 250:1.

Chronic absenteeism is elevated: 31.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Oceanside Union Free School District also operates School 7-Oceanside Senior High School (1,668 students) and School 9m-Oceanside Middle School (801 students) alongside Castleton Academy High School of Oceanside.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How Castleton Academy High School of Oceanside compares

Castleton Academy High School of Oceanside on the metrics families compare, against New York and U.S. means.

Metric This school vs New York New York avg U.S. avg
Students per teacher 5:1 ▼ 58% 11.8:1 15.7:1
Free-lunch eligible 34.0% ▼ 40% 56.2% 51.7%
Enrollment 35 top 99% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

5:1
Leaner classes than 98% of US schools, among the more generously staffed nationally.
35
Bigger than 4% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Economic need
34.0%
free-lunch eligible - 40% below the New York average of 56.2%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
5:1
students per teacher - 58% below state mean
Top 2% in New York - lower ratio than 98% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
31.4%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$26,813
per pupil, district-wide - above New York avg of $26,410
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors0.2 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 4 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 11.4 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

Hispanic or Latino 57.1%
White 28.6%
Asian 5.7%
Two or More 5.7%
African American 2.9%

Largest group: Hispanic or Latino at 57.1% of enrollment.

Student-body diversity index 58.5/100

Simpson diversity index - at 58.5, Castleton Academy High School of Oceanside is more mixed than the New York school average of 45.5.

Programs

AP program Not offered

Funding & spending

District-wide per-pupil expenditure for Oceanside Union Free School District, which includes Castleton Academy High School of Oceanside.

$26,813
Per student
+2%
vs New York
Avg $26,410
+62%
vs U.S.
Avg $16,593
Revenue mix
Local 74.3%
State 19.9%
Federal 5.8%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How Castleton Academy High School of Oceanside Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
School 7-Oceanside Senior High School Larger Lower economic need Higher S:T ratio
School 9m-Oceanside Middle School Larger Lower economic need Higher S:T ratio
School 6-Kindergarten Center Larger Lower economic need No ratio data
School 5 Larger Lower economic need Higher S:T ratio
School 3 Larger No free-lunch data Higher S:T ratio

Comparisons are relative to Castleton Academy High School of Oceanside's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Oceanside Union Free School District · 5 sibling schools

View district profile

Similar high schools statewide

Matched by enrollment size and by staffing ratio across all of New York, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on Castleton Academy High School of Oceanside's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

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 has 35 students enrolled. It is a high school in Oceanside, NY.

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 5:1, which is 58% lower than the New York average of 11.8:1 and 68% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.

What percentage of students receive free lunch at Castleton Academy High School of Oceanside?

34.0% of students at Castleton Academy High School of Oceanside are eligible for free lunch, compared to the New York average of 56.2%.

What is the racial and ethnic makeup of Castleton Academy High School of Oceanside?

The largest demographic group at Castleton Academy High School of Oceanside is Hispanic or Latino at 57.1% of enrollment, in Oceanside, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.5/100.

What is the Resource Investment Index for Castleton Academy High School of Oceanside?

Castleton Academy High School of Oceanside has a Resource Investment Index of 41/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Castleton Academy High School of Oceanside rank among public schools in Oceanside?

By Resource Investment Index, Castleton Academy High School of Oceanside ranks #4 of 10 public schools in Oceanside, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Oceanside on the city page.

Is Castleton Academy High School of Oceanside a good school?

Castleton Academy High School of Oceanside earns 41/100 on the Resource Investment Index, with class sizes smaller than 98% of New York schools. It is also one of the smallest schools in New York. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in Oceanside Union Free School District?

Besides Castleton Academy High School of Oceanside, Oceanside Union Free School District also operates School 7-Oceanside Senior High School (1,668 students), School 9m-Oceanside Middle School (801 students), and School 6-Kindergarten Center (625 students). See the Oceanside Union Free School District district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.