The Municipality of South Dundas
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The Municipality of South Dundas is home to one Secondary School, which is part of the Upper Canada District School Board.

Seaway District High School
2 Beach St.
Iroquois, ON K0E 1K0
(613) 652-4878

Located in the heart of the village of Iroquois, Seaway District High School has been a mainstay in the South Dundas Community for over 50 years.  Offering educational programming from grades 7 – 12, Seaway District High School is the only Secondary School within the Municipality of South Dundas.