Serving 452 students in grades Kindergarten-5, Grundy Avenue School ranks in the bottom 50% of all schools in New York for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%).
The percentage of students achieving proficiency in math is 55-59% (which is higher than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 25-29% (which is lower than the New York state average of 49%).
The student-teacher ratio of 13:1 is higher than the New York state level of 11:1.
Minority enrollment is 32% of the student body (majority Hispanic), which is lower than the New York state average of 61% (majority Hispanic).
Quick Facts (2026-27)
- Grades: Kindergarten-5
- Enrollment: 452 students
- Student-Teacher Ratio: 13:1
- Minority Enrollment: 32%
- Overall Testing Rank: Bottom 50% in NY
- Math Proficiency: 55-59% (Top 50%)
- Reading Proficiency: 25-29% (Btm 50%)
- Science Proficiency: 70-79% (Btm 50%)
- Attendance Zone: Grundy Avenue School serves the southern part of Holbrook, NY, covering an area of approximately 2.1 square miles. Families within this zone can typically expect a drive of 5 to 10 minutes to reach the school, with the furthest point being about 1.7 miles away.
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Overview
Grundy Avenue School's student population of 452 students has declined by 6% over five school years.
The teacher population of 36 teachers has grown by 9% over five school years.
Grades Offered
Grades Kindergarten-5
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
452 students
Total Classroom Teachers
36 teachers
School Rankings
Grundy Avenue School ranks within the bottom 50% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Grundy Avenue School is 0.49, which is less than the diversity score at state average of 0.73. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#2660 out of 4346 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
55-59%
52%
Reading/Language Arts Test Scores (% Proficient)
25-29%
49%
Science Test Scores (% Proficient)
70-79%
78%
Student-Teacher Ratio
13:1
11:1
American Indian
n/a
1%
Asian
4%
10%
Hispanic
22%
31%
Black
2%
15%
White
68%
39%
Hawaiian
n/a
n/a
Two or more races
4%
4%
All Ethnic Groups
Chronically Absent Students
(22-23)25.2%
34.8%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
27%
55%
Eligible for Reduced Lunch
1%
2%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Frequently Asked Questions
What is Grundy Avenue School's ranking?
Grundy Avenue School is ranked #2660 out of 4,346 schools, which ranks it among the bottom 50% of public schools in New York.
What percent of students have achieved state testing proficiency in math and reading?
55-59% of students have achieved math proficiency (compared to the 52% NY state average), while 25-29% of students have achieved reading proficiency (compared to the 49% NY state average).
How many students attend Grundy Avenue School?
452 students attend Grundy Avenue School.
What is the racial composition of the student body?
68% of Grundy Avenue School students are White, 22% of students are Hispanic, 4% of students are Asian, 4% of students are Two or more races, and 2% of students are Black.
What is the student-teacher ratio of Grundy Avenue School?
Grundy Avenue School has a student ration of 13:1, which is higher than the New York state average of 11:1.
What grades does Grundy Avenue School offer ?
Grundy Avenue School offers enrollment in grades Kindergarten-5 (Supplemental Virtual).
What school district is Grundy Avenue School part of?
Grundy Avenue School is part of Sachem Central School District.
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