Thousand Islands High School Building
Welcome to Thousand Islands High School!

Upcoming Events

JUL
4

All Offices Closed

Start: Jul 4, 2025 12:00 AM End: Jul 5, 2025 12:00 AM

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JUL
11

All Offices Closed

Start: Jul 11, 2025 12:00 AM End: Jul 12, 2025 12:00 AM

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JUL
18

All Offices Closed

Start: Jul 18, 2025 12:00 AM End: Jul 19, 2025 12:00 AM

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