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

Upcoming Events

MAY
22

No School; All Offices Closed

Start: May 22, 2026 12:00 AM End: May 23, 2026 12:00 AM

Multi-Day Event

MAY
25

Memorial Day - No School; All Offices Closed

Start: May 25, 2026 12:00 AM End: May 26, 2026 12:00 AM

Multi-Day Event

MAY
26

GES/BES Elementary Spelling Bee Sand Bay Campus

3:00 PM - 5:00 PM

View All Events

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