- Enrollment
- 1,553
- Students per teacher
- 13.5:1
- Resource Index
- 38/100
Middle school (grades 6-8) · Centereach, NY
Selden Middle School
Federal NCES profile for Selden Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 32/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 361920001745
👥 S:T ratio 43
🌟 Gifted program 30
🎓 Counselors 28
📋 Attendance 29
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Selden Middle School earns 32/100 on the Resource Investment Index, with class sizes larger than 82% of New York schools. It is also more racially and ethnically mixed than most New York schools.
- #3 of 8
- public schools in Centereach · Resource Index
- 32
- Resource Index · Typical
- 14.2:1
- large classes for New York
- 35.6%
- free-lunch eligible
Selden Middle School has class sizes larger than 82% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Selden Middle School ranks #3 of 8 public schools in Centereach, NY.
School address
District: Middle Country Central School District · New York
NCES ID 361920001745 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-5 students YoY
Selden Middle School held near 1,053 students from 2022-23 to 2023-24 (-5 headcount).
Teacher FTE lost 76.3 → 73.9 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-5 students YoY 361920001745 · Centereach, NY Middle · MID · TRAD
1,080 enr · 14.2:1 · 35.6% lunch · RII 32
Nearest enrollment peer: Newfield High School (1,553 students)
Selden Middle School held near 1,053 students from 2022-23 to 2023-24 (-5 headcount). Teacher FTE lost 76.3 → 73.9 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Selden Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Newfield High
Newfield High School
1,553 students
- Centereach Hig
Centereach High School
1,467 students
- This school
Selden Middle School
1,080 students
- Dawnwood Middl
Dawnwood Middle School
967 students
- New Lane Memor
New Lane Memorial Elementary School
771 students
- Unity Drive Ki 478
Unity Drive Kindergarten-Pre K Center
478 students
What this shows Selden Middle School reports 1,080 students on the CCD universe file.
How Selden Middle School compares
Selden Middle 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 | 14.2:1 | ▲ 20% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 35.6% | ▼ 37% | 56.2% | 51.7% |
| Enrollment | 1,080 | top 7% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
14.2:1
Leaner classes than 55% of US schools, a middle-of-the-pack class size.
1,080
Bigger than 93% of US schools by enrollment, a large campus nationally.
Equity indicators methodology
Economic need
35.6%
free-lunch eligible
- 37% 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
14.2:1
students per teacher
- 20% above state mean
Top 82% in New York - lower ratio than 18% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
28.5%
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
$27,479
per pupil, district-wide
- below 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
Counselors3.0 FTE
Per 360 students, the combined health-and-guidance staffing load for this school.
Discipline context
39
in-school suspensions + 103 out-of-school
Suspension rate: 3.6 per 100 students. Combined in-school and out-of-school rate: 13.1 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 41.0%
Hispanic or Latino 37.9%
Asian 10.0%
African American 7.9%
Two or More 3.2%
Largest group: White at 41.0% of enrollment.
Student-body diversity index 67.1/100
Simpson diversity index - at 67.1, Selden Middle School is more mixed than the New York school average of 45.5.
Programs
District finance for Middle Country Central School District reports $27,479 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Selden Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Newfield High School | Larger | Similar economic need | Similar S:T ratio |
| Centereach High School | Larger | Similar economic need | Similar S:T ratio |
| Dawnwood Middle School | Similar size | Similar economic need | Lower S:T ratio |
| New Lane Memorial Elementary School | Smaller | Similar economic need | Higher S:T ratio |
| Unity Drive Kindergarten-Pre K Center | Smaller | Lower economic need | Higher S:T ratio |
Comparisons are relative to Selden Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,467
- Students per teacher
- 13:1
- Resource Index
- 39/100
- Enrollment
- 967
- Students per teacher
- 12.7:1
- Resource Index
- 34/100
- Enrollment
- 771
- Students per teacher
- 17.9:1
- Resource Index
- 26/100
- Enrollment
- 478
- Students per teacher
- 26.6:1
- Resource Index
- 15/100
Nationwide middle 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 (~1,080 students)
Frequently asked questions about Selden Middle School
How many students attend Selden Middle School?
Selden Middle School has 1,080 students enrolled. It is a middle school in Centereach, NY. CCD year-over-year: 1,058 (2022-23) → 1,053 (2023-24), nearly flat (-5).
What is the student-teacher ratio at Selden Middle School?
The student-teacher ratio at Selden Middle School is 14.2:1, which is 20% higher than the New York average of 11.8:1 and 10% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Selden Middle School?
35.6% of students at Selden Middle School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Selden Middle School?
The largest demographic group at Selden Middle School is White at 41.0% of enrollment, in Centereach, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.1/100.
What is the Resource Investment Index for Selden Middle School?
Selden Middle School has a Resource Investment Index of 32/100 (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 Selden Middle School rank among public schools in Centereach?
By Resource Investment Index, Selden Middle School ranks #3 of 8 public schools in Centereach, 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 Centereach on the city page.
What other schools are in Middle Country Central School District?
Besides Selden Middle School, Middle Country Central School District also operates Newfield High School (1,553 students), Centereach High School (1,467 students), and Dawnwood Middle School (967 students). See the Middle Country Central School District district page for the complete list.