Enrollment
542
New York · 2024-25 NCES data
Elementary school (grades K-5) · Penfield, NY
Cobbles Elementary School
Federal NCES profile for Cobbles Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataElementary school (grades K-5)NCES 362271003192
👥 S:T ratio 48
🌟 Gifted program 30
🎓 Counselors 0
📋 Attendance 65
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cobbles Elementary School earns 36/100 on the Resource Investment Index, with class sizes larger than 70% of New York schools.
- #2 of 3
- elementary schools in Penfield · Resource Index
- 36
- Resource Index · Typical
- 12.9:1
- large classes for New York
- 22.5%
- free-lunch eligible
Cobbles Elementary School has class sizes larger than 70% of New York schools. Computed live against every New York school reporting to NCES.
By Resource Investment Index, Cobbles Elementary School ranks #2 of 3 elementary schools in Penfield, NY.
School address
District: Penfield Central School District · New York
NCES ID 362271003192 Verify on NCES CCD record →
Teachers (FTE)
42.0
Federal CCD staff survey
Students per teacher
12.9:1
vs 11.8:1 New York avg
+9% vs state
Free-lunch eligible
22.5%
vs 56.2% New York avg
-60% vs state
Student-teacher ratio in context
How Cobbles Elementary School compares with New York and U.S. medians
What stands out at Cobbles Elementary School
Cobbles Elementary School is a mid-sized elementary school in Penfield, New York, enrolling 542 students.
Class loads run somewhat heavier than typical: 12.9:1 puts it in the larger third of New York schools by student-teacher ratio.
Comparatively few students face economic hardship here, 22.5% free-meal eligibility runs 60% below the New York average.
Enrollment of 542 puts it in the larger third of New York schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 4,801 scored New York schools.
Among 740 similarly sized, similarly resourced-need New York schools statewide, it ranks #584, in the lower tier once campus size and economic need are matched.
Its student body is predominantly White (85% of enrollment) (diversity index 28/100).
Counselor access is stretched at roughly 542 students per counselor, well above the ASCA-recommended 250:1 ceiling.
14.2% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding Penfield Central School District spends $20,315 per pupil, 23% below the New York average, a leaner-resourced district than most.
Penfield Central School District also operates Penfield Senior High School (1,442 students) and Bay Trail Middle School (1,094 students) alongside Cobbles 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 Cobbles Elementary School compares
Cobbles 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 | 12.9:1 | ▲ 9% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 22.5% | ▼ 60% | 56.2% | 51.7% |
| Enrollment | 542 | top 32% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.9:1
Leaner classes than 68% of US schools, among the more generously staffed nationally.
542
Bigger than 67% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
22.5%
free-lunch eligible
- 60% 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
12.9:1
students per teacher
- 9% above state mean
Top 70% in New York - lower ratio than 30% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
14.2%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$20,315
per pupil, district-wide
- below 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 542 students, the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 4 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 0.9 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
White 84.5%
Two or More 6.3%
African American 3.5%
Hispanic or Latino 3.3%
Asian 2.4%
Largest group: White at 84.5% of enrollment.
Student-body diversity index 27.9/100
Simpson diversity index - at 27.9, Cobbles Elementary School is less mixed than the New York school average of 45.5.
Programs
Funding & spending
District-wide per-pupil expenditure for Penfield Central School District, which includes Cobbles Elementary School.
$20,315
Per student
-23%
vs New York
Avg $26,410
+22%
vs U.S.
Avg $16,593
Revenue mix
Local 57.0%
State 34.1%
Federal 8.9%
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 Cobbles Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Penfield Senior High School | Larger | Similar economic need | Similar S:T ratio |
| Bay Trail Middle School | Larger | Similar economic need | Lower S:T ratio |
| Scribner Road Elementary School | Similar size | Similar economic need | Similar S:T ratio |
| Indian Landing Elementary School | Similar size | Similar economic need | Lower S:T ratio |
| Harris Hill Elementary School | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Cobbles Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,442
- Students per teacher
- 12.9:1
- Resource Index
- 48/100
- Enrollment
- 1,094
- Students per teacher
- 11.3:1
- Resource Index
- 51/100
- Enrollment
- 549
- Students per teacher
- 12.2:1
- Resource Index
- 39/100
- Enrollment
- 545
- Students per teacher
- 10.9:1
- Resource Index
- 48/100
- Enrollment
- 479
- Students per teacher
- 13.3:1
- Resource Index
- 36/100
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 (~542 students)
Similar student-teacher ratio (~12.9:1)
Next steps
Verify locally before acting on Cobbles Elementary School's federal record.
- Compare Cobbles Elementary School against another school. Compare schools
- Penfield Central 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 Cobbles Elementary School
How many students attend Cobbles Elementary School?
Cobbles Elementary School has 542 students enrolled. It is an elementary school in Penfield, NY.
What is the student-teacher ratio at Cobbles Elementary School?
The student-teacher ratio at Cobbles Elementary School is 12.9:1, which is 9% higher than the New York average of 11.8:1 and 18% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Cobbles Elementary School?
22.5% of students at Cobbles Elementary School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Cobbles Elementary School?
The largest demographic group at Cobbles Elementary School is White at 84.5% of enrollment, in Penfield, NY.
What is the Resource Investment Index for Cobbles Elementary School?
Cobbles Elementary School has a Resource Investment Index of 36/100 (typical 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 Cobbles Elementary School rank among elementary schools in Penfield?
By Resource Investment Index, Cobbles Elementary School ranks #2 of 3 elementary schools in Penfield, 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 Penfield on the city page.
Is Cobbles Elementary School a good school?
Cobbles Elementary School earns 36/100 on the Resource Investment Index, with class sizes larger than 70% of New York schools. 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 Penfield Central School District?
Besides Cobbles Elementary School, Penfield Central School District also operates Penfield Senior High School (1,442 students), Bay Trail Middle School (1,094 students), and Scribner Road Elementary School (549 students). See the Penfield Central 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.