- Enrollment
- 661
- Students per teacher
- 10.7:1
- Resource Index
- 51/100
High school (grades 9-12) · Massapequa, NY
Plainedge Senior High School
Federal NCES profile for Plainedge Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 362319003248
👥 S:T ratio 51
🌟 Gifted program 30
🎓 Counselors 66
📋 Attendance 23
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Plainedge Senior High School earns 42/100 on the Resource Investment Index, with class sizes near the New York median.
- #3 of 3
- high schools in Massapequa · Resource Index
- 42
- Resource Index · Typical
- 12.2:1
- students per teacher
- 11.6%
- free-lunch eligible
Plainedge Senior High School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Plainedge Senior High School ranks #3 of 3 high schools in Massapequa, NY.
School address
District: Plainedge Union Free School District · New York
NCES ID 362319003248 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+2 students YoY
Plainedge Senior High School held near 847 students from 2022-23 to 2023-24 (+2 headcount).
Teacher FTE lost 70.6 → 68.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+2 students YoY 362319003248 · Massapequa, NY High · MID · TRAD
856 enr · 12.2:1 · 11.6% lunch · RII 42
Nearest enrollment peer: Plainedge Middle School (661 students)
Plainedge Senior High School held near 847 students from 2022-23 to 2023-24 (+2 headcount). Teacher FTE lost 70.6 → 68.5 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Plainedge Senior High School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- This school
Plainedge Senior High School
856 students
- Plainedge Midd
Plainedge Middle School
661 students
- Charles E Schw
Charles E Schwarting School
524 students
- John H West Sc
John H West School
473 students
- Eastplain Scho
Eastplain School
445 students
What this shows Plainedge Senior High School reports 856 students on the CCD universe file.
How Plainedge Senior High School compares
Plainedge Senior High School held steady on CCD headcount: ratios and free-lunch share vs New York and U.S. means.
| Metric | This school | vs New York | New York avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 12.2:1 | ▲ 3% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 11.6% | ▼ 79% | 56.2% | 51.7% |
| Enrollment | 856 | top 12% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.2:1
Leaner classes than 74% of US schools, among the more generously staffed nationally.
856
Bigger than 88% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
11.6%
free-lunch eligible
- 79% below the New York average of 56.2%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.2:1
students per teacher
- 3% above state mean
Top 62% in New York - lower ratio than 38% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
31.0%
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
$30,821
per pupil, district-wide
- above New York avg of $28,120
Well above the U.S. public-school average, reflecting substantially higher local or state investment per enrolled student.
Support staff
Counselors5.0 FTE
Per 171 students, the combined health-and-guidance staffing load for this school.
Discipline context
29
in-school suspensions + 30 out-of-school
Suspension rate: 3.4 per 100 students. Combined in-school and out-of-school rate: 6.9 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 80.4%
Hispanic or Latino 9.7%
Asian 6.9%
African American 1.6%
Two or More 1.3%
American Indian / Alaska Native 0.1%
Largest group: White at 80.4% of enrollment.
Student-body diversity index 33.9/100
Simpson diversity index - at 33.9, Plainedge Senior High School is less mixed than the New York school average of 45.5.
Programs
AP courses offered 14
District finance for Plainedge Union Free School District reports $30,821 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Plainedge Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Plainedge Middle School | Similar size | Similar economic need | Lower S:T ratio |
| Charles E Schwarting School | Smaller | Similar economic need | Higher S:T ratio |
| John H West School | Smaller | Similar economic need | Similar S:T ratio |
| Eastplain School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Plainedge Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 524
- Students per teacher
- 14.6:1
- Resource Index
- 47/100
- Enrollment
- 473
- Students per teacher
- 12.4:1
- Resource Index
- 45/100
- Enrollment
- 445
- Students per teacher
- 17.1:1
- Resource Index
- 40/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~856 students)
Frequently asked questions about Plainedge Senior High School
How many students attend Plainedge Senior High School?
Plainedge Senior High School has 856 students enrolled. It is a high school in Massapequa, NY. CCD year-over-year: 845 (2022-23) → 847 (2023-24), nearly flat (+2).
What is the student-teacher ratio at Plainedge Senior High School?
The student-teacher ratio at Plainedge Senior High School is 12.2:1, which is 3% higher than the New York average of 11.8:1 and 22% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Plainedge Senior High School?
11.6% of students at Plainedge Senior High School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Plainedge Senior High School?
The largest demographic group at Plainedge Senior High School is White at 80.4% of enrollment, in Massapequa, NY.
What is the Resource Investment Index for Plainedge Senior High School?
Plainedge Senior High School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Plainedge Senior High School rank among high schools in Massapequa?
By Resource Investment Index, Plainedge Senior High School ranks #3 of 3 high schools in Massapequa, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Massapequa on the city page.
What other schools are in Plainedge Union Free School District?
Besides Plainedge Senior High School, Plainedge Union Free School District also operates Plainedge Middle School (661 students), Charles E Schwarting School (524 students), and John H West School (473 students). See the Plainedge Union Free School District district page for the complete list.