For the 2025 school year, there are 4 public schools serving 822 students in Clayton, NY.
The top ranked public schools in Clayton, NY are Thousand Islands High School, Thousand Islands Middle School and Bashaw Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Clayton, NY public schools have an average math proficiency score of 50% (versus the New York public school average of 47%), and reading proficiency score of 52% (versus the 49% statewide average). Schools in Clayton have an average ranking of 7/10, which is in the top 50% of New York public schools.
Minority enrollment is 6% of the student body (majority Hispanic), which is less than the New York public school average of 60% (majority Hispanic).
Best Public Schools in Clayton, NY (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Thousand Islands High School
(Math: 85-89% | Reading: ≥80%)
Rank:
Rank:
10/
Top 10%10
8481 County Rt 9
Clayton, NY 13624
(315) 686-5594
Clayton, NY 13624
(315) 686-5594
Grades: 9-12
| 253 students
Rank: #22.
Thousand Islands Middle School
(Math: 42% | Reading: 64%)
Rank:
Rank:
7/
Top 50%10
8487 County Rt 9
Clayton, NY 13624
(315) 686-5594
Clayton, NY 13624
(315) 686-5594
Grades: 6-8
| 192 students
Rank: #33.
Bashaw Elementary School
(Math: 50-59% | Reading: 40-49%)
Rank:
Rank:
6/
Top 50%10
410 S Esselstyne
Clayton, NY 13624
(315) 654-2142
Clayton, NY 13624
(315) 654-2142
Grades: PK-5
| 114 students
Rank: #44.
Guardino Elementary School
(Math: 40-44% | Reading: 30-34%)
Rank:
Rank:
4/
Bottom 50%10
600 High St
Clayton, NY 13624
(315) 686-5594
Clayton, NY 13624
(315) 686-5594
Grades: PK-5
| 263 students
Frequently Asked Questions
What are the top ranked public schools in Clayton, NY?
The top ranked public schools in Clayton, NY include Thousand Islands High School, Thousand Islands Middle School and Bashaw Elementary School.
How many public schools are located in Clayton?
4 public schools are located in Clayton.
What is the racial composition of students in Clayton?
Clayton public schools minority enrollment is 6% of the student body (majority Hispanic), which is less than the New York public schools average of 60% (majority Hispanic).
Which public schools in Clayton are often viewed compared to one another?
Popular comparisons of public schools in Clayton include: Bashaw Elementary School vs. Guardino Elementary School, Guardino Elementary School vs. Bashaw Elementary School
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