Very Good
#1145 of 4,739 schools in NY
Top 24% in state
Grundy Avenue School
Elementary School · SACHEM CENTRAL SCHOOL DISTRICT
950 GRUNDY AVE, Holbrook, NY 11741
Enrollment
460
Student-Teacher
13.1:1
Score
7.5
Grades
Kindergarten – 5th
Enrollment
460
Student-Teacher
13.1:1
Score
7.5
Grades
Kindergarten – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In Holbrook
#3 of 5
public schools
New York elementary schools
#725 of 2,549
In district
#11 of 15
SACHEM CENTRAL SCHOOL DISTRICT
Academic growth
9.3 / 10
Exceptional
About Grundy Avenue School
Grundy Avenue School is a regular public elementary school located in Holbrook, New York. Serving students from kindergarten through fifth grade, the school has an enrollment of 460 students and boasts a student-teacher ratio of 13.1:1, ensuring that each child receives personalized attention. With 35 full-time equivalent teachers, Grundy Avenue School provides a supportive learning environment.
According to MySchoolScout's rating system, Grundy Avenue School has an overall score of 6.4 out of 10 and ranks at the 62nd percentile among New York State schools, placing it in the middle range for academic performance. The school’s academic score is 5.3/10, with 53% proficiency or above in ELA/Reading and 50% proficiency or above in Math across all grades. Grundy Avenue School is situated in a large suburban area, offering students a comfortable and safe environment to learn and grow.
While there is room for academic improvement, the school remains committed to fostering student development through dedicated teachers and supportive community resources.
Score Breakdown
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Grundy Avenue School — Students at Grundy Avenue School score 54% proficient, which is below what's typical for similar communities (expected: 66%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
27.4%
Students qualifying for federal meal assistance
Test Scores NY NYSED (2020-21)
Based on 10 test records from NY state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.3/10.
How Grundy Avenue School Compares
See how Grundy Avenue School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 42% (2019) to 52% (2021). Reading/ELA proficiency has improved from 42% (2019) to 57% (2021).
Location
950 GRUNDY AVE, Holbrook, NY 11741
Nearby Alternatives
Families considering Grundy Avenue School may also want to explore other elementary schools in the area. SYLVAN AVENUE ELEMENTARY SCHOOL (rated 9.6/10, 2.7 miles away, in nearby Bayport), which scores notably higher. Another option is ACADEMY STREET ELEMENTARY SCHOOL (rated 8.7/10, 3.4 miles away, in nearby Bayport), which scores notably higher. Additionally, WAVERLY AVENUE SCHOOL (rated 8.3/10, 3.1 miles away, in nearby Holtsville), which scores slightly higher. For more schools in Holbrook, see our Holbrook schools guide .
Nearby Schools
20 within 3.0 mi| School | Distance | Rating |
|---|---|---|
| MERRIMAC SCHOOL Holbrook | 0.4 mi | 8.0 |
| SENECA MIDDLE SCHOOL Holbrook | 1.2 mi | 5.4 |
| SUNRISE DRIVE ELEMENTARY SCHOOL Sayville | 1.9 mi | 6.7 |
| SAYVILLE MIDDLE SCHOOL Sayville | 2.0 mi | 6.1 |
| TAMARAC ELEMENTARY SCHOOL Holbrook | 1.9 mi | 8.2 |
| LINCOLN AVENUE ELEMENTARY SCHOOL Sayville | 2.4 mi | 6.2 |
| NOKOMIS SCHOOL Holbrook | 2.5 mi | 7.3 |
| HIAWATHA SCHOOL Lake Ronkonkoma | 2.5 mi | 8.1 |
| JOHN PEARL ELEMENTARY SCHOOL Bohemia | 2.1 mi | 5.7 |
| JAMES WILSON YOUNG MIDDLE SCHOOL Bayport | 2.5 mi | 6.2 |
| SYLVAN AVENUE ELEMENTARY SCHOOL Bayport | 2.7 mi | 9.6 |
| SAGAMORE MIDDLE SCHOOL Holtsville | 3.0 mi | 5.2 |
| WAVERLY AVENUE SCHOOL Holtsville | 3.1 mi | 8.3 |
| CHIPPEWA ELEMENTARY SCHOOL Holtsville | 3.3 mi | 7.9 |
| BAYPORT-BLUE POINT HIGH SCHOOL Bayport | 3.2 mi | 8.6 |
| EDWARD J BOSTI ELEMENTARY SCHOOL Bohemia | 3.1 mi | 7.0 |
| ACADEMY STREET ELEMENTARY SCHOOL Bayport | 3.4 mi | 8.7 |
| CANAAN ELEMENTARY SCHOOL Patchogue | 2.7 mi | 8.0 |
| CHERRY AVENUE ELEMENTARY SCHOOL West Sayville | 3.4 mi | 6.5 |
| SYCAMORE AVENUE ELEMENTARY SCHOOL Bohemia | 3.0 mi | 8.1 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 11741 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$138,417
Median Home Value
$504,000
Median Rent
$2,434/mo
Population
26,356
College Educated
33.3%
Homeownership
77.5%
Avg Commute
32.6 min
Poverty Rate
4.9%
Median Age
40.6
Community Profile
The community surrounding Grundy Avenue School has a median household income of $138,417. It is an area where 33% of adults hold a bachelor's degree or higher. The median home value in the area is $504,000, with a median rent of $2,434/month. The local poverty rate of 4.9% is relatively low. The average commute for residents is 33 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| ARCHER STREET SCHOOL Freeport, NY | 7.5 |
| BLACK RIVER SCHOOL Black River, NY | 7.5 |
| BROOKLYN ARBOR ELEMENTARY SCHOOL Brooklyn, NY | 7.5 |
| CASTLETON ELEMENTARY SCHOOL Castleton, NY | 7.5 |
| CHEROKEE STREET ELEMENTARY SCHOOL Ronkonkoma, NY | 7.5 |
| DEERFIELD ELEMENTARY SCHOOL Utica, NY | 7.5 |
Frequently Asked Questions
Common questions about Grundy Avenue School
What grades does Grundy Avenue School serve?
Grundy Avenue School serves students in grades Kindergarten through 5th.
How many students attend Grundy Avenue School?
Grundy Avenue School has an enrollment of approximately 460 students.
What is the student-teacher ratio at Grundy Avenue School?
The student-teacher ratio at Grundy Avenue School is 13.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Grundy Avenue School rank in NY?
Grundy Avenue School is ranked #1145 out of 4,739 schools in NY.
What is Grundy Avenue School's MySchoolScout rating?
Grundy Avenue School has a composite rating of 7.5 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Grundy Avenue School?
Based on the most recent state assessment data, Grundy Avenue School has 49.6% math proficiency and 53.4% reading/ELA proficiency.
Is Grundy Avenue School a charter school?
No, Grundy Avenue School is not a charter school. It is a traditional public school operated by the local school district.
Is Grundy Avenue School a Title I school?
No, Grundy Avenue School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Grundy Avenue School?
27.4% of students at Grundy Avenue School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
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FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 5th
- Enrollment
- 460
- Student-Teacher Ratio
- 13.1:1
- Teachers (FTE)
- 35
- Free/Reduced Lunch
- 27.4%
- Type
- regular
- Setting
- Large Suburb
- County
- Suffolk County
- Phone
- (631) 471-1820
- Data Year
- 2023–2024
Resources & Links
District
SACHEM CENTRAL SCHOOL DISTRICT- District Enrollment
- 11,729
- Schools in District
- 15
- Per-Pupil Spending
- $29,505
- District Rank
- #11 of 15
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
- Best Public Schools in New York 2026: Top Districts from NYC to the Suburbsbest schools
- Best Schools in New York, NY — 2026 Rankingsbest schools
- Best States for Public Schools in 2026: A Complete Rankingdata insights
- Charter Schools vs Public Schools: What the Data Actually Shows (2026)school choice
- Student-Teacher Ratio by State: Complete 2026 Rankingsdata insights
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