Enrollment
422
New York · 2024-25 NCES data
Elementary school (grades K-5) · Islip, NY
Commack Road Elementary School
Federal NCES profile for Commack Road Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataElementary school (grades K-5)NCES 361554001323
👥 S:T ratio 54
🌟 Gifted program 70
🎓 Counselors 16
📋 Attendance 57
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Commack Road Elementary School earns 49/100 on the Resource Investment Index, with class sizes near the New York median.
- #2 of 3
- elementary schools in Islip · Resource Index
- 49
- Resource Index · Higher
- 11.4:1
- students per teacher
- 40.1%
- free-lunch eligible
Commack Road Elementary School has class sizes near the New York median. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Commack Road Elementary School ranks #2 of 3 elementary schools in Islip, NY.
School address
District: Islip Union Free School District · New York
NCES ID 361554001323 Verify on NCES CCD record →
Teachers (FTE)
37.0
Federal CCD staff survey
Students per teacher
11.4:1
vs 11.8:1 New York avg
-3% vs state
Free-lunch eligible
40.1%
vs 56.2% New York avg
-29% vs state
Student-teacher ratio in context
How Commack Road Elementary School compares with New York and U.S. medians
What stands out at Commack Road Elementary School
Commack Road Elementary School is a mid-sized elementary school in Islip, New York, enrolling 422 students.
At 11.4:1, its student-teacher ratio sits close to the New York median, within a few percentage points of the 11.8:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 40.1% of students eligible for free meals.
With 422 students, its enrollment sits close to the New York median campus size.
Its Resource Investment Index lands in the upper third of 4,801 scored New York schools.
Against 921 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #136.
Its student body is led by Hispanic or Latino (49%) and White (35%) (diversity index 63/100).
Counselor access is stretched at roughly 422 students per counselor, well above the ASCA-recommended 250:1 ceiling.
17.1% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Islip Union Free School District also operates Islip High School (890 students) and Islip Middle School (601 students) alongside Commack Road Elementary School.
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 Commack Road Elementary School compares
Commack Road Elementary School 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 | 11.4:1 | ▼ 3% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 40.1% | ▼ 29% | 56.2% | 51.7% |
| Enrollment | 422 | top 51% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.4:1
Leaner classes than 80% of US schools, among the more generously staffed nationally.
422
Bigger than 51% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
40.1%
free-lunch eligible
- 29% below the New York average of 56.2%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
11.4:1
students per teacher
- 3% below state mean
Top 51% in New York - lower ratio than 49% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
17.1%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$30,198
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
Counselors1.0 FTE
Per 422 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 2 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.5 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 48.6%
White 35.3%
Asian 6.2%
African American 5.9%
Two or More 3.8%
American Indian / Alaska Native 0.2%
Largest group: Hispanic or Latino at 48.6% of enrollment.
Student-body diversity index 63.0/100
Simpson diversity index - at 63.0, Commack Road Elementary School is more mixed than the New York school average of 45.5.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Islip Union Free School District, which includes Commack Road Elementary School.
$30,198
Per student
+14%
vs New York
Avg $26,410
+82%
vs U.S.
Avg $16,593
Revenue mix
Local 62.0%
State 31.4%
Federal 6.6%
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 Commack Road Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Islip High School | Larger | Lower economic need | Lower S:T ratio |
| Islip Middle School | Larger | Similar economic need | Lower S:T ratio |
| Wing Elementary School | Similar size | Lower economic need | Similar S:T ratio |
| Maud S Sherwood Elementary School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Commack Road Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 890
- Students per teacher
- 9.7:1
- Resource Index
- 48/100
- Enrollment
- 601
- Students per teacher
- 9.5:1
- Resource Index
- 57/100
- Enrollment
- 373
- Students per teacher
- 11.3:1
- Resource Index
- 41/100
- Enrollment
- 366
- Students per teacher
- 12.2:1
- Resource Index
- 63/100
Similar elementary 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.
Similar enrollment (~422 students)
Similar student-teacher ratio (~11.4:1)
Next steps
Verify locally before acting on Commack Road Elementary School's federal record.
- Compare Commack Road Elementary School against another school. Compare schools
- Islip Union Free School District's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 Commack Road Elementary School
How many students attend Commack Road Elementary School?
Commack Road Elementary School has 422 students enrolled. It is an elementary school in Islip, NY.
What is the student-teacher ratio at Commack Road Elementary School?
The student-teacher ratio at Commack Road Elementary School is 11.4:1, which is 3% lower than the New York average of 11.8:1 and 27% 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 Commack Road Elementary School?
40.1% of students at Commack Road Elementary School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Commack Road Elementary School?
The largest demographic group at Commack Road Elementary School is Hispanic or Latino at 48.6% of enrollment, in Islip, NY. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 63.0/100.
What is the Resource Investment Index for Commack Road Elementary School?
Commack Road Elementary School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Commack Road Elementary School rank among elementary schools in Islip?
By Resource Investment Index, Commack Road Elementary School ranks #2 of 3 elementary schools in Islip, NY. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Islip on the city page.
Is Commack Road Elementary School a good school?
Commack Road Elementary School earns 49/100 on the Resource Investment Index, with class sizes near the New York median. 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 Islip Union Free School District?
Besides Commack Road Elementary School, Islip Union Free School District also operates Islip High School (890 students), Islip Middle School (601 students), and Wing Elementary School (373 students). See the Islip Union Free School District district page for the complete list.
Related tools
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.