Guest, Sign inJoin

Post to Cape Vincent

We’ll email a one-tap link to publish your post. No password, and nothing is public until you click it.
Already a member? Sign in
A−

Thousand Islands High School

PublicHighGrades 9–12

8481 County Rt 9, Clayton, NY 13624 · (315) 686-5594 · Part of Thousand Islands Central School District

Cape Vincent’s School Grade B+ better than 67% of New York school districts

Directions
Students
262
Students per teacher
13:1
Free or reduced lunch
38%
Setting
Rural
Grades
9–12
The gist

What stands out about Thousand Islands High School

  • Its own letter, A−: reading and math results near the top of New York’s public schools
  • Math proficiency 36 pts above the state
  • Reading / language arts 7 pts above the state

On the path

Where Cape Vincent kids come from and go next. The whole path →

6–8Thousand Islands Middle Schoolin Clayton
9–12Thousand Islands High SchoolYou are here

Test scores

2020–21
Math proficiency92%
State average 56.1%
Reading / language arts70%
State average 62.6%

Its own letter, A−, places these results among New York’s 4,095 public schools with results. Source: EDFacts via Urban Institute Education Data Portal (SY2020-21).

Location

Directions ↗

8481 County Rt 9, Clayton

Students

Enrollment by grade
Grade 970
Grade 1067
Grade 1165
Grade 1259
Ungraded1
Enrollment over time
244’20
255’21
247’22
253’23
262’24

Up 7.4% since 2020–21.

Who goes here
White 90%Hispanic 5%Two or more races 4%Asian <1%American Indian/Alaska Native <1%

As reported to NCES, share of students with a reported race or ethnicity.

Parents talk

Questions and answers about Thousand Islands High School from Cape Vincent families.

Other schools in Thousand Islands Central School District

The district →
Guardino Elementary School
Elementary · Grades PK–5 · Clayton
B−
243 students10:1
Bashaw Elementary School
Elementary · Grades PK–5 · Cape Vincent
B
109 students12:1
Thousand Islands Middle School
Middle · Grades 6–8 · Clayton
C+
185 students12:1

School facts: U.S. Department of Education (NCES), 2024–2025 school year. Test scores: EDFacts via Urban Institute Education Data Portal (SY2020-21). A school’s letter is our own summary of its reading and math results against New York’s other public schools; Cape Vincent’s School Grade is built from its districts’ results. Map: © OpenStreetMap contributors.