Flipgrid is a video response platform run by Microsoft. Known for its ease of use, and the fact that it works on almost any platform, and it is great way to have student respond to discussions, without having to talk in front of the class!
They offer 3 levels of certification, Level 1, Level 2, and Level 3. By the time you finish level 3, you aren't just considered a a Flipgrid Educator, but a GridGuide.
Again, this a free certification that you might find useful in the coming school year.