Below is a list of YouTube Channels I think educators like you would benefit from:
Teachers
Google for Education Training Center
Team YouTube [Help]
Learning
TED
I just discovered that there are subgroups from TED on YouTube like TED-Ed, TEDxYouth, TED-Ed Student Talks, TED Fellow and then there is TED Archive.
One video I found from YouTube that is the most moving is called
TED-Ed Clubs: Celebrating and amplifying student voices around the world
https://www.youtube.com/watch?v=ruOVwJa5UD8&list=LLLUfekaABZb1c7U4SG673xA&index=2&t=1s