Carolyn Burjoski was the teacher whose speech was cut short for being 'problematic' by the school board. She was attempting to speak about some books which she thought were not age-appropriate. They were to do with trans, sexuality and gender material.
She has released a video statement here: https://www.youtube.com/watch?v=3gARVp7whNI
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If you can, watch the school board meeting. I couldn't believe it! https://nationalpost.com/news/canada/no-dissent-is-allowed-school-board-bars-teacher-from-raising-concerns-over-transgender-books