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#3454 of 4,739 schools in NY

Seneca Middle School

Middle School · SACHEM CENTRAL SCHOOL DISTRICT

850 MAIN ST, Holbrook, NY 11741

Enrollment

974

Student-Teacher

11.2:1

Score

5.4

Grades

6th – 8th

Updated 2022-23

How this school compares

In Holbrook

#5 of 5

public schools

New York middle schools

#486 of 785

In district

#13 of 15

SACHEM CENTRAL SCHOOL DISTRICT

School environment

7.0 / 10

Strong

About Seneca Middle School

Seneca Middle School serves 974 students in grades 6 through 8 in Holbrook, located on Main Street in this large suburban community. With 87 full-time equivalent teachers, the school maintains an 11.2:1 student-teacher ratio, providing relatively small class sizes for individualized attention. Academically, Seneca Middle School ranks in the 45th percentile among New York middle schools, with a MySchoolScout rating of 5.3 out of 10.

The school shows stronger performance in English Language Arts, where 61% of students score proficient or above across grade levels. Mathematics presents an area with significant room for academic growth, with 31% of students achieving proficiency. These results suggest the school is focusing on student development and working to strengthen instructional programs.

The school draws from a well-established suburban neighborhood where families demonstrate strong economic stability, with a median household income of $140,334 and home values averaging $471,000. The community shows educational commitment, with 35% of residents holding bachelor's degrees or higher, and maintains a low poverty rate of 4.8%. Seneca Middle School operates within this supportive Suffolk County community of nearly 28,000 residents, benefiting from the resources and stability that characterize this established Long Island suburban setting.

Score Breakdown

Full Profile · 3/3 metrics
Student Progress3.1Fair40%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-7.06 pts/yr
Data Period2019–2021
TrendDeclining
Academics6.8Above Average35%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency62%
Reading/ELA Proficiency62%
Math vs. State Avg+22.4 pts
Reading vs. State Avg-0.8 pts
Overall Proficiency62%
Expected (poverty-adj.)66%
vs. Expected-4.3 pts
Adjusted Percentile54th
Resources & Environment7.0Very Good25%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio11.2:1
Per-Pupil Spending$26,737

Seneca Middle School — Students at Seneca Middle School score 62% proficient, which is below what's typical for similar communities (expected: 66%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

27.2%

Students qualifying for federal meal assistance

Test Scores NY NYSED (2020-21)

Math Proficiency 46.0%
School
State
33.6%
ELA Proficiency 59.4%
School
State
57.2%

Based on 10 test records from NY state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
76%
ELA
52%
2021*
Math
38.5%
ELA
61.3%

* 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: 3.1/10.

How Seneca Middle School Compares

See how Seneca Middle School performs across key quality dimensions compared to state benchmarks.

Overall Score
5.4/10
27th percentile in NY
Academic
6.8/10
6.8/10
Growth
3.1/10
Below average
Environment
7.0/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
27%
Teaching Staff
11:1 student-teacher ratio
87 teachers

Location

850 MAIN ST, Holbrook, NY 11741

Nearby Alternatives

Families considering Seneca Middle School may also want to explore other middle schools in the area. JAMES WILSON YOUNG MIDDLE SCHOOL (rated 6.2/10, 3.4 miles away, in nearby Bayport), which scores slightly higher. Another option is SAYVILLE MIDDLE SCHOOL (rated 6.1/10, 3.2 miles away, in nearby Sayville), which scores slightly higher. Additionally, SAMOSET MIDDLE SCHOOL (rated 5.4/10, 2.6 miles away, in nearby Lake Ronkonkoma), with a very similar rating. For more schools in Holbrook, see our Holbrook schools guide .

Nearby Schools

20 within 3.6 mi
School Distance Rating
MERRIMAC SCHOOL Holbrook 1.0 mi 8.0
GRUNDY AVENUE SCHOOL Holbrook 1.2 mi 7.5
NOKOMIS SCHOOL Holbrook 1.4 mi 7.3
TAMARAC ELEMENTARY SCHOOL Holbrook 1.2 mi 8.2
HIAWATHA SCHOOL Lake Ronkonkoma 1.6 mi 8.1
SAGAMORE MIDDLE SCHOOL Holtsville 1.8 mi 5.2
CHIPPEWA ELEMENTARY SCHOOL Holtsville 2.1 mi 7.9
WAVERLY AVENUE SCHOOL Holtsville 2.0 mi 8.3
SAMOSET MIDDLE SCHOOL Lake Ronkonkoma 2.6 mi 5.4
HOLBROOK ROAD SCHOOL Centereach 2.9 mi 5.3
SUNRISE DRIVE ELEMENTARY SCHOOL Sayville 3.1 mi 6.7
SACHEM HIGH SCHOOL NORTH Lake Ronkonkoma 2.8 mi 8.2
SAYVILLE MIDDLE SCHOOL Sayville 3.2 mi 6.1
CANAAN ELEMENTARY SCHOOL Patchogue 2.7 mi 8.0
LYNWOOD AVENUE SCHOOL Farmingville 3.0 mi 8.4
JOHN PEARL ELEMENTARY SCHOOL Bohemia 3.1 mi 5.7
JAMES WILSON YOUNG MIDDLE SCHOOL Bayport 3.4 mi 6.2
LINCOLN AVENUE ELEMENTARY SCHOOL Sayville 3.6 mi 6.2
CAYUGA SCHOOL Lake Grove 3.3 mi 8.4
SYLVAN AVENUE ELEMENTARY SCHOOL Bayport 3.6 mi 9.6

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 Seneca Middle 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
CAROLINE G ATKINSON SCHOOL Freeport, NY 5.4
CORONA ARTS AND SCIENCES ACADEMY Corona, NY 5.4
JENNIE F SNAPP MIDDLE SCHOOL Endicott, NY 5.4
JOHN F KENNEDY MIDDLE SCHOOL Utica, NY 5.4
JOSEPH F QUINN INTERMEDIATE SCHOOL 77 Ridgewood, NY 5.4
LAWRENCE ROAD MIDDLE SCHOOL Hempstead, NY 5.4

Frequently Asked Questions

Common questions about Seneca Middle School

What grades does Seneca Middle School serve?

Seneca Middle School serves students in grades 6th through 8th.

How many students attend Seneca Middle School?

Seneca Middle School has an enrollment of approximately 974 students.

What is the student-teacher ratio at Seneca Middle School?

The student-teacher ratio at Seneca Middle School is 11.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Seneca Middle School rank in NY?

Seneca Middle School is ranked #3454 out of 4,739 schools in NY.

What is Seneca Middle School's MySchoolScout rating?

Seneca Middle School has a composite rating of 5.4 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 Seneca Middle School?

Based on the most recent state assessment data, Seneca Middle School has 46.0% math proficiency and 59.4% reading/ELA proficiency.

Is Seneca Middle School a charter school?

No, Seneca Middle School is not a charter school. It is a traditional public school operated by the local school district.

Is Seneca Middle School a Title I school?

No, Seneca Middle School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Seneca Middle School?

27.2% of students at Seneca Middle 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.

11 schools nearby View map →

Neighborhood Context

Walk Score
64 Somewhat Walkable
Bike Score
47 Somewhat Bikeable
County Safety
Low (3/100K)

Powered by Walk Score

FBI UCR 2024. County-level only. Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
6th – 8th
Enrollment
974
Student-Teacher Ratio
11.2:1
Teachers (FTE)
87
Free/Reduced Lunch
27.2%
Type
regular
Setting
Large Suburb
County
Suffolk County
Data Year
2023–2024

District

SACHEM CENTRAL SCHOOL DISTRICT
District Enrollment
11,729
Schools in District
15
Per-Pupil Spending
$29,505
District Rank
#13 of 15

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 methodology

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