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Seneca Middle School
PublicMiddleGrades 6–8
850 Main St, Holbrook, NY 11741 · (631) 471-1850 · Part of Sachem Central School District
Students
928
Students per teacher
11:1
Free or reduced lunch
33%
Setting
Suburb
Grades
6–8
What stands out about Seneca Middle School
- Math proficiency 6 pts above the state
- Small classes: 11:1 students per teacher
- Enrollment down 10.6% since 2020
- Next stop for Farmingville kids: 2 high schools
On the path
Where Farmingville kids come from and go next.
K–510 elementary schoolsDepends on your address
6–8Seneca Middle SchoolYou are here
9–122 high schoolsDepends on your address
Test scores
EDFacts via Urban Institute Education Data Portal (SY2020-21) · 2020–21Math proficiency62%
State average 56.1%
Reading / language arts62%
State average 62.6%
Location
Directions ↗
850 Main St, Holbrook
Students
Enrollment by grade
Grade 6281
Grade 7337
Grade 8309
Ungraded1
Enrollment over time
1,038’20
1,006’21
973’22
974’23
928’24
Down 10.6% since 2020.
Who goes here
White 64%Hispanic 22%Asian 6%Two or more races 4%Black 3%American Indian/Alaska Native <1%
As reported to NCES, share of students with a reported race or ethnicity.
What neighbors say
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Parents talk
Conversations in Town Square that mention Seneca Middle School.
Other schools in Sachem Central School District
School facts: U.S. Department of Education (NCES), 2024-2025 school year. Scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). The School Grade is our own summary of state test results. Neighbor ratings are opinions, not an official measure of school quality.