Today, we launch a special investigation into violence in our schools. This project took us in unexpected directions and required sensitivity. I think it is important that I tell you why.

Our job at CBC News is to make sure that we take on stories that matter, ones that expose what’s wrong and, we hope, produce positive change. The bedrock of those stories is good, reliable information.

And so, in consultation with leading academics and with established public opinion analysts Mission Research, we settled on a survey of 4,000 young people about their school years from elementary to high school or CEGEP. Our survey was weighted to ensure the sample size was representative of the Canadian population.

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