Thousand Islands High School
Public · Grades 9–12 · 262 students
Thousand Islands Middle School
8487 County Rt 9, Clayton, NY 13624
Grades
6–8
Middle
Students
185
Enrolled 2024–25
Students per teacher
11.6 : 1
Full-time teachers
District
Thousand Islands Central School District
Jefferson County
Schola Grade B · Above average
Letter grade (A–F) · compared with 770 New York middle schools · How we grade
Percentiles compare this school with other New York middle schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).
About Thousand Islands Middle School
Thousand Islands Middle School is a public middle school in Clayton, New York, serving grades 6–8. It is part of Thousand Islands Central School District. The school is located in a rural area in Jefferson County.
In the 2024–25 school year, 185 students were enrolled, with about 11.6 students for every full-time teacher. That ratio is larger than the typical New York middle school (10.1 students per teacher). Its Schola Grade is B (above average), compared with 770 New York middle schools.
Grades & enrollment
Students per grade, 2024–25Grades 6–8
Location & nearby schools
School details
- Type
- Public School · What this means
- Level
- Middle
- Grades offered
- 6–8
- Enrollment (2024–25)
- 185 students
- Students per teacher
- 11.6 to 1
- Charter school
- No
- Magnet school
- No
- Locale
- Rural — Distant
- School district
- Thousand Islands Central School District
- County
- Jefferson County
- NCES school ID
- 360765004711
Schools near Thousand Islands Middle School
All 3 schools in Clayton →
Guardino Elementary School
Public · Grades Pre-K–5 · 243 students
Bashaw Elementary School
Public · Grades Pre-K–5 · 109 students
Lyme Central School
Public · Grades Pre-K–12 · 335 students
Case Middle School
Public · Grades 7–8 · 586 students
Harold T Wiley School
Public · Grades 5–6 · 614 students
School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.