We're O Positive.

O Positive is more than a slogan for us.
It's our way of telling a story of the many
successes that are deserving of Ontario's pride.
Are you ready to be a part of our story?

Good behavior reward

See photos of the latest good behavior activity at Pioneer[more]

OSD employees support Snack Pack Program

$647 raised to support the project[more]

OSD featured in educational technology publication

National coverage for recent adoption of Discovery Education Science curriculum.

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