Serving 1,080 students in grades 6-9, Selden Middle School ranks in the bottom 50% of all schools in New York for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 47% (which is lower than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 47% (which is lower than the New York state average of 49%).
The student-teacher ratio of 14:1 is higher than the New York state level of 11:1.
Minority enrollment is 59% of the student body (majority Hispanic), which is lower than the New York state average of 61% (majority Hispanic).
Quick Facts (2026)
- Grades: 6-9
- Enrollment: 1,080 students
- Student-Teacher Ratio: 14:1
- Minority Enrollment: 59%
- Overall Testing Rank: Bottom 50% in NY
- Math Proficiency: 47% (Btm 50%)
- Reading Proficiency: 47% (Top 50%)
- Science Proficiency: 75% (Btm 50%)
- Attendance Zone: Selden Middle School serves the eastern part of Centereach, NY, covering an area of approximately 6.8 square miles. Families typically live within a 5-10 minute drive from the school, with the furthest edge of the attendance zone being about 3.4 miles away.
- Source: National Center for Education Statistics (NCES), NY Dept. of Education
School Overview
Selden Middle School's student population of 1,080 students has stayed relatively flat over five school years.
The teacher population of 75 teachers has declined by 9% over five school years.
Grades Offered
Grades 6-9
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
1,080 students
Total Classroom Teachers
75 teachers
School Rankings
Selden Middle 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 Selden Middle School is 0.68, 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
#2328 out of 4346 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
47%
52%
Reading/Language Arts Test Scores (% Proficient)
47%
49%
Science Test Scores (% Proficient)
75%
78%
Student-Teacher Ratio
14:1
11:1
American Indian
n/a
1%
Asian
10%
10%
Hispanic
38%
31%
Black
8%
15%
White
41%
39%
Hawaiian
n/a
n/a
Two or more races
3%
4%
All Ethnic Groups
Chronically Absent Students
(22-23)22.9%
34.8%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
51%
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 Selden Middle School's ranking?
Selden Middle School is ranked #2328 out of 4,346 schools, which ranks it among the bottom 50% of public schools in New York.
What schools are Selden Middle School often compared to?
Selden Middle Schoolis often viewed alongside schools like Dawnwood Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
47% of students have achieved math proficiency (compared to the 52% NY state average), while 47% of students have achieved reading proficiency (compared to the 49% NY state average).
How many students attend Selden Middle School?
1,080 students attend Selden Middle School.
What is the racial composition of the student body?
41% of Selden Middle School students are White, 38% of students are Hispanic, 10% of students are Asian, 8% of students are Black, and 3% of students are Two or more races.
What is the student-teacher ratio of Selden Middle School?
Selden Middle School has a student ration of 14:1, which is higher than the New York state average of 11:1.
What grades does Selden Middle School offer ?
Selden Middle School offers enrollment in grades 6-9 (Supplemental Virtual).
What school district is Selden Middle School part of?
Selden Middle School is part of Middle Country Central School District.
School Reviews
5 10/10/2025
Many wonderful teachers, a great learning environment, and diversity.
Review Selden Middle School. Reviews should be a few sentences in length. Please include any comments on:
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