Thousand Islands Middle School

8487 County Rt 9
Clayton, NY 13624
(School attendance zone shown in map)
9/
10
Top 20%
Serving 185 students in grades 6-8, Thousand Islands Middle School ranks in the top 20% 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 75-79% (which is higher than the New York state average of 52%). The percentage of students achieving proficiency in reading/language arts is 64% (which is higher than the New York state average of 49%).
The student-teacher ratio of 12:1 is higher than the New York state level of 11:1.
Minority enrollment is 6% of the student body (majority Hispanic), which is lower than the New York state average of 61% (majority Hispanic).

Quick Facts (2026)

  • Grades: 6-8
  • Enrollment: 185 students
  • Student-Teacher Ratio: 12:1
  • Minority Enrollment: 6%
  • : Top 20% in NY
  • : 75-79% (Top 20%)
  • : 64% (Top 30%)
  • : 65-69% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), NY Dept. of Education

Top Rankings

Thousand Islands Middle School ranks among the top 20% of public schools in New York for:

School Overview

Thousand Islands Middle School's student population of 185 students has declined by 11% over five school years.
The teacher population of 16 teachers has declined by 23% over five school years.
Grades Offered
Grades 6-8
(Supplemental Virtual)
Total Students
185 students
Total Classroom Teachers
16 teachers

School Rankings

Thousand Islands Middle School ranks within the top 20% of all 4,346 schools in New York (based off of combined math and reading proficiency testing data).
The diversity score of Thousand Islands Middle School is 0.12, 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.
This School
State Level (NY)
#703 out of 4346 schools
(Top 20%)
75-79%
52%
64%
49%
65-69%
78%
Student-Teacher Ratio
12:1
11:1
Hispanic
2%
31%
White
94%
39%
Two or more races
4%
4%
All Ethnic Groups
0.12
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
30%
55%
Eligible for Reduced Lunch
1%
2%
School Statewide Testing
Source: National Center for Education Statistics (NCES), NY Dept. of Education

Frequently Asked Questions

What is Thousand Islands Middle School's ranking?
Thousand Islands Middle School is ranked #703 out of 4,346 schools, which ranks it among the top 20% of public schools in New York.
What percent of students have achieved state testing proficiency in math and reading?
75-79% of students have achieved math proficiency (compared to the 52% NY state average), while 64% of students have achieved reading proficiency (compared to the 49% NY state average).
How many students attend Thousand Islands Middle School?
185 students attend Thousand Islands Middle School.
What is the racial composition of the student body?
94% of Thousand Islands Middle School students are White, 4% of students are Two or more races, and 2% of students are Hispanic.
What is the student-teacher ratio of Thousand Islands Middle School?
Thousand Islands Middle School has a student ration of 12:1, which is higher than the New York state average of 11:1.
What grades does Thousand Islands Middle School offer ?
Thousand Islands Middle School offers enrollment in grades 6-8 (Supplemental Virtual).
What school district is Thousand Islands Middle School part of?
Thousand Islands Middle School is part of Thousand Islands Central School District.

School Calendar

View the Thousand Islands Middle School yearly calendar below. Note key dates such as:

Event
Date
Last Day of School for BES & GES - Early Dismissal @ 11:30am
June 25, 2026 (Thursday)
Last Day of School for Grade 6 - Early Dismissal @ 11:00am
June 25, 2026 (Thursday)

School Reviews

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Quick Facts (2026)

  • Grades: 6-8
  • Enrollment: 185 students
  • Student-Teacher Ratio: 12:1
  • Minority Enrollment: 6%
  • : Top 20%
  • : 75-79% (Top 20%)
  • : 64% (Top 30%)
  • : 65-69% (Btm 50%)
  • Source: National Center for Education Statistics (NCES), NY Dept. of Education

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