For the 2026 school year, there are 3 public elementary schools serving 537 students in Clayton, NY.
The top-ranked public elementary schools in Clayton, NY are Thousand Islands Middle School, Bashaw Elementary School and Guardino Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Clayton, NY public elementary schools have an average math proficiency score of 66% (versus the New York public elementary school average of 52%), and reading proficiency score of 51% (versus the 48% statewide average). Elementary schools in Clayton have an average ranking of 8/10, which is in the top 30% of New York public elementary schools.
Minority enrollment is 5% of the student body (majority Hispanic), which is less than the New York public elementary school average of 62% (majority Hispanic).
Best Public Elementary Schools in Clayton, NY (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Thousand Islands Middle School
(Math: 75-79% | Reading: 64%)
Rank:
Rank:
9/
Top 20%10
8487 County Rt 9
Clayton, NY 13624
(315) 686-5594
Clayton, NY 13624
(315) 686-5594
Gr: 6-8 | 185 students Student-teacher ratio: 12:1 Minority enrollment: 6%
Rank: #22.
Bashaw Elementary School
(Math: 50-59% | Reading: 40-49%)
Rank:
Rank:
5/
Bottom 50%10
410 S Esselstyne
Clayton, NY 13624
(315) 654-2142
Clayton, NY 13624
(315) 654-2142
Gr: PK-5 | 109 students Student-teacher ratio: 12:1 Minority enrollment: 7%
Rank: #33.
Guardino Elementary School
(Math: 50-54% | Reading: 30-34%)
Rank:
Rank:
4/
Bottom 50%10
600 High St
Clayton, NY 13624
(315) 686-5594
Clayton, NY 13624
(315) 686-5594
Gr: PK-5 | 243 students Student-teacher ratio: 11:1 Minority enrollment: 4%
Frequently Asked Questions
What are the top-ranked public elementary schools in Clayton, NY?
The top-ranked public elementary schools in Clayton, NY include Thousand Islands Middle School, Bashaw Elementary School and Guardino Elementary School.
How many public elementary schools are located in Clayton?
3 public elementary schools are located in Clayton.
What is the racial composition of students in Clayton?
Clayton public elementary schools minority enrollment is 5% of the student body (majority Hispanic), which is less than the New York public elementary schools average of 62% (majority Hispanic).
Which public elementary schools in Clayton are often viewed compared to one another?
Popular comparisons of public elementary schools in Clayton include: Bashaw Elementary School vs. Guardino Elementary School, Guardino Elementary School vs. Bashaw Elementary School
Recent Articles
AI Report Cards: Should Schools Evaluate AI Use?
Explore whether schools should assess student AI use, the benefits, risks, and what responsible AI report cards could look like in 2026.
The Parent’s Guide to School Cell Phone Bans in 2026
Learn how school cell phone bans work in 2026, why districts are adopting them, and what parents should expect.
Parental Involvement in Public Schools: 2026 Update
Explore the latest 2026 trends, research, and strategies shaping parental involvement in public schools and student success.