The Hour of Code is a global movement reaching tens of millions of students in 180+ countries. Anyone, anywhere can organize an Hour of Code event. One hour tutorials are available in over 40 languages. No experience needed, ages 4 to 104. Check out the resources under "How-to Guides: For educators".
Schools and homeschoolers can register for coding workshops through Google's Codemaker in Canada.
Links to videos on coding and computer science for classroom use.