For the 2026 school year, there is 1 public high school serving 253 students in Clayton, NY.
The top-ranked public high school in Clayton, NY is Thousand Islands High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Clayton, NY public high school have an average math proficiency score of 80% (versus the New York public high school average of 55%), and reading proficiency score of 80% (versus the 59% statewide average). High schools in Clayton have an average ranking of 9/10, which is in the top 20% of New York public high schools.
Clayton, NY public high school have a Graduation Rate of 92%, which is more than the New York average of 89%.
The school with highest graduation rate is Thousand Islands High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in New York or national school graduation rate statistics.
Minority enrollment is 9% of the student body (majority Hispanic), which is less than the New York public high school average of 61% (majority Hispanic).
Best Public High Schools in Clayton, NY (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Thousand Islands High School
(Math: ≥80% | Reading: ≥80%)
Rank:
Rank:
10/
Top 10%10
8481 County Rt 9
Clayton, NY 13624
(315) 686-5594
Clayton, NY 13624
(315) 686-5594
Gr: 9-12 | 253 students Student-teacher ratio: 13:1 Minority enrollment: 9%
Frequently Asked Questions
What are the top-ranked public high schools in Clayton, NY?
The top-ranked public high schools in Clayton, NY include Thousand Islands High School.
How many public high schools are located in Clayton?
1 public high schools are located in Clayton.
What is the racial composition of students in Clayton?
Clayton public high schools minority enrollment is 9% of the student body (majority Hispanic), which is less than the New York public high schools average of 61% (majority Hispanic).
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