School Overview
Thousand Islands High School, located in Clayton, New York, serves as a central educational hub for the Thousand Islands Central School District. Situated in the heart of the St. Lawrence River region, the school is deeply integrated into its local community, fostering a learning environment that emphasizes both academic achievement and the unique cultural identity of the North Country. The high school offers a comprehensive curriculum designed to prepare students for diverse post-secondary paths, ranging from four-year universities to vocational training and the workforce.

Beyond the classroom, the school maintains a robust extracurricular presence, offering a variety of athletic programs, arts initiatives, and student-led clubs that encourage personal growth and community engagement. By leveraging its scenic river-front location and maintaining a focus on personalized instruction, Thousand Islands High School strives to provide a supportive atmosphere where students are encouraged to reach their full potential while developing the leadership and citizenship skills necessary for success in a global society.
247
Total Students
19.9
Full-Time Teachers
12.4
Student/Teacher Ratio
40.1%
Free/Reduced Lunch
Student Demographics

Student Demographics Data Table

Student Demographics for THOUSAND ISLANDS HIGH SCHOOL
Demographic Student Count
White220
Hispanic11
Black5
Two or More9
American Indian2
  • White
    220 (89.1 %)
  • Hispanic
    11 (4.5 %)
  • Two or More
    9 (3.6 %)
  • Black
    5 (2.0 %)
  • American Indian
    2 (0.8 %)
School Location
School Details
Status: Open
School Level: High School
School Type: Regular School
Charter Status:* Public Non-Charter
Virtual Instruction: No virtual instruction
Shared Time Status: No
District: THOUSAND ISLANDS CENTRAL SCHOOL DISTRICT
Phone: (315)686-5594
Website: http://www.1000islandsschools.org
Grade Range: 9th - 12th
Total Students: 247
Full-Time Teachers (FTE): 19.9
Pupil/Teacher Ratio: 12.4
NSLP Participation:1 Yes under Community Eligibility Option (CEO)
Qualified Free Lunch: 95
Qualified Reduced Lunch: 4
Grades Taught
Grade 9 68
Grade 10 64
Grade 11 52
Grade 12 60
Ungraded 3

Grades Taught Data Table

Grades Taught and Student Counts for THOUSAND ISLANDS HIGH SCHOOL
Grade Student Count
Grade 968
Grade 1064
Grade 1152
Grade 1260
Ungraded3
Gender Ratio

Student Gender Ratio Data Table

Student Gender Ratio for THOUSAND ISLANDS HIGH SCHOOL
Gender Student Count Percentage
Female12651%
Male12149%