Guest, Sign inJoin

Post to Islip

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
B

Seneca Middle School

PublicMiddleGrades 6–8

850 Main St, Holbrook, NY 11741 · (631) 471-1850 · Part of Sachem Central School District

Islip’s School Grade A− better than 78% of New York school districts

Students
928
Students per teacher
11:1
Free or reduced lunch
33%
Setting
Suburb
Grades
6–8
The gist

What stands out about Seneca Middle School

  • Its own letter, B: better results than 56% of New York’s public schools
  • Math proficiency 6 pts above the state
  • Small classes: 11 students per teacher
  • Enrollment down 10.6% since 2020–21

Test scores

2020–21
Math proficiency62%
State average 56.1%
Reading / language arts62%
State average 62.6%

Its own letter, B, places these results among New York’s 4,095 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

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 2020–21.

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.

Parents talk

Questions and answers about Seneca Middle School from Islip families.

Other schools in Sachem Central School District

The district →

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against New York’s other public schools; Islip’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.