Just finished running #cryptoparty lectures for schools for this year. The last one was online for homeschooled students and it's recorded on Youtube: https://www.youtube.com/watch?v=lhbVt7WPvG0 [Polish].
All the slides are available under Creative Commons at https://slides.com/pawelngei/cyberzagrozenia18#/ [Polish]
If you'd like me to translate them for you or help you prepare your own version, let me know!
I learned that putting a few (3-4) action points at the end really helps getting kids to do something about their habits.