Serving 928 students in grades 6-8, Seneca Middle School ranks in the top 50% of all schools in New York for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 76% (which is higher than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 39% (which is lower than the New York state average of 49%).
The student-teacher ratio of 11:1 is equal to the New York state level of 11:1.
Minority enrollment is 36% of the student body (majority Hispanic), which is lower than the New York state average of 61% (majority Hispanic).
Quick Facts (26-27)
- Grades: 6-8
- Enrollment: 928 students
- Student-Teacher Ratio: 11:1
- Minority Enrollment: 36%
- Overall Testing Rank: Top 50% in NY
- Math Proficiency: 76% (Top 20%)
- Reading Proficiency: 39% (Btm 50%)
- Science Proficiency: 90-94% (Top 20%)
- Attendance Zone: Seneca Middle School serves the southwest part of Holbrook, NY, covering an area of approximately 5.2 square miles. Most students live within a 5-10 minute drive, with an average distance of 1.8 miles from the school to the edge of the attendance zone.
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
Top Rankings
Seneca Middle School ranks among the top 20% of public schools in New York for:
Category
Attribute
Math Proficiency
Science Proficiency
School Overview
Seneca Middle School's student population of 928 students has declined by 10% over five school years.
The teacher population of 86 teachers has grown by 10% over five school years.
Grades Offered
Grades 6-8
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
928 students
Showing 2016–2025. Full 39-year historical data available below ↓
Total Classroom Teachers
86 teachers
Showing 2016–2025. Full 39-year historical data available below ↓
School Motto
Be Kind. Be Honest. Be Humble. Be your Best.
School Rankings
Seneca Middle School ranks within the top 50% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Seneca Middle School is 0.54, 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
#1726 out of 4346 schools
(Top 50%)
(Top 50%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
76%
52%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
39%
49%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
90-94%
78%
Student-Teacher Ratio
11:1
11:1
Showing 2016–2025. Full 39-year historical data available below ↓
Asian
6%
10%
Showing 2016–2025. Full 35-year historical data available below ↓
Hispanic
22%
31%
Showing 2016–2025. Full 37-year historical data available below ↓
Black
3%
15%
Showing 2016–2025. Full 37-year historical data available below ↓
White
64%
39%
Showing 2016–2025. Full 37-year historical data available below ↓
Two or more races
5%
4%
Showing 2016–2025. Full 11-year historical data available below ↓
All Ethnic Groups
Showing 2016–2025. Full 37-year historical data available below ↓
Chronically Absent Students
(22-23)18.6%
34.8%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
30%
55%
Showing 2016–2025. Full 32-year historical data available below ↓
Eligible for Reduced Lunch
3%
2%
Showing 2016–2025. Full 26-year historical data available below ↓
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), NY Dept. of Education
Frequently Asked Questions
What is Seneca Middle School's ranking?
Seneca Middle School is ranked #1726 out of 4,346 schools, which ranks it among the top 50% of public schools in New York.
What schools are Seneca Middle School often compared to?
Seneca Middle Schoolis often viewed alongside schools like Sayville Middle School, Great Hollow Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
76% of students have achieved math proficiency (compared to the 52% NY state average), while 39% of students have achieved reading proficiency (compared to the 49% NY state average).
How many students attend Seneca Middle School?
928 students attend Seneca Middle School.
What is the racial composition of the student body?
64% of Seneca Middle School students are White, 22% of students are Hispanic, 6% of students are Asian, 5% of students are Two or more races, and 3% of students are Black.
What is the student-teacher ratio of Seneca Middle School?
Seneca Middle School has a student ration of 11:1, which is equal to the New York state average of 11:1.
What grades does Seneca Middle School offer ?
Seneca Middle School offers enrollment in grades 6-8 (Supplemental Virtual).
What school district is Seneca Middle School part of?
Seneca Middle School is part of Sachem Central School District.
School Reviews
5 10/10/2025
This school is the best school ever i am a 6th grader at this school from Hiawatha Elementary. This school has a lot of activities for every grade and i love it. this is the best school ever
Samantha Saintilus
Review Seneca Middle School. Reviews should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
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