- Enrollment
- 2,008
- Students per teacher
- 12:1
- Resource Index
- 51/100
Elementary school (grades K-5) · Holbrook, NY
Grundy Avenue School
Federal NCES profile for Grundy Avenue School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 43/100.
2024-25 NCES dataElementary school (grades K-5)NCES 362535003501
👥 S:T ratio 48
🌟 Gifted program 30
📋 Attendance 50
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Grundy Avenue School earns 43/100 on the Resource Investment Index, with class sizes larger than 70% of New York schools.
- #2 of 4
- elementary schools in Holbrook · Resource Index
- 43
- Resource Index · Typical
- 12.9:1
- large classes for New York
- 18.5%
- free-lunch eligible
Grundy Avenue 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, Grundy Avenue School ranks #2 of 4 elementary schools in Holbrook, NY.
School address
District: Sachem Central School District · New York
NCES ID 362535003501 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
-10 students YoY
Grundy Avenue School held near 460 students from 2022-23 to 2023-24 (-10 headcount).
Teacher FTE held 35.7 → 35.5 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
-10 students YoY 362535003501 · Holbrook, NY Elementary · SMALL · TRAD
452 enr · 12.9:1 · 18.5% lunch · RII 43
Nearest enrollment peer: Sachem High School North (2,008 students)
Grundy Avenue School held near 460 students from 2022-23 to 2023-24 (-10 headcount). Teacher FTE held 35.7 → 35.5 across the same CCD years. Read with this school → · District book → · New York schools → · Find another →
Grundy Avenue School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Sachem High Sc
Sachem High School North
2,008 students
- Sachem High Sc
Sachem High School East
1,984 students
- Seneca Middle
Seneca Middle School
928 students
- Sagamore Middl
Sagamore Middle School
893 students
- Samoset Middle
Samoset Middle School
847 students
- This school 452
Grundy Avenue School
452 students
What this shows Grundy Avenue School reports 452 students on the CCD universe file.
How Grundy Avenue School compares
Grundy Avenue 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 | 12.9:1 | ▲ 9% | 11.8:1 | 15.7:1 |
| Free-lunch eligible | 18.5% | ▼ 67% | 56.2% | 51.7% |
| Enrollment | 452 | top 45% | - | - |
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.
452
Bigger than 55% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
18.5%
free-lunch eligible
- 67% 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
19.9%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$29,213
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
Counselors0.2 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
6
in-school suspensions + 5 out-of-school
Suspension rate: 1.3 per 100 students. Combined in-school and out-of-school rate: 2.4 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 67.5%
Hispanic or Latino 21.9%
Asian 4.4%
Two or More 3.8%
African American 1.8%
Native Hawaiian / Pacific Islander 0.4%
American Indian / Alaska Native 0.2%
Largest group: White at 67.5% of enrollment.
Student-body diversity index 49.3/100
Simpson diversity index - at 49.3, Grundy Avenue School is more mixed than the New York school average of 45.5.
Programs
District finance for Sachem Central School District reports $29,213 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Grundy Avenue School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sachem High School North | Larger | Similar economic need | Similar S:T ratio |
| Sachem High School East | Larger | Similar economic need | Lower S:T ratio |
| Seneca Middle School | Larger | Similar economic need | Lower S:T ratio |
| Sagamore Middle School | Larger | Similar economic need | Lower S:T ratio |
| Samoset Middle School | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Grundy Avenue School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,984
- Students per teacher
- 11.3:1
- Resource Index
- 50/100
- Enrollment
- 928
- Students per teacher
- 11.3:1
- Resource Index
- 42/100
- Enrollment
- 893
- Students per teacher
- 11:1
- Resource Index
- 41/100
- Enrollment
- 847
- Students per teacher
- 10.2:1
- Resource Index
- 44/100
Nationwide elementary 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 (~452 students)
Frequently asked questions about Grundy Avenue School
How many students attend Grundy Avenue School?
Grundy Avenue School has 452 students enrolled. It is an elementary school in Holbrook, NY. CCD year-over-year: 470 (2022-23) → 460 (2023-24), nearly flat (-10).
What is the student-teacher ratio at Grundy Avenue School?
The student-teacher ratio at Grundy Avenue 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 Grundy Avenue School?
18.5% of students at Grundy Avenue School are eligible for free lunch, compared to the New York average of 56.2%.
What is the racial and ethnic makeup of Grundy Avenue School?
The largest demographic group at Grundy Avenue School is White at 67.5% of enrollment, in Holbrook, NY.
What is the Resource Investment Index for Grundy Avenue School?
Grundy Avenue School has a Resource Investment Index of 43/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Grundy Avenue School rank among elementary schools in Holbrook?
By Resource Investment Index, Grundy Avenue School ranks #2 of 4 elementary schools in Holbrook, 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 Holbrook on the city page.
What other schools are in Sachem Central School District?
Besides Grundy Avenue School, Sachem Central School District also operates Sachem High School North (2,008 students), Sachem High School East (1,984 students), and Seneca Middle School (928 students). See the Sachem Central School District district page for the complete list.