So nationalschoolwalkout.us is a thing. What puzzles me is why their whois record lists an address in Friday Harbor, WA, but has a New York phone number. Apparently he lived there for a while:
http://www.thefullwiki.org/K._Thor_Jensen
And he's a "hired gun" of sorts:
https://www.guru.com/freelancers/kristopher-thor-jensen
Still smells fishy.
https://noagendasocial.com/media/PFHnr0Q03-4giT4O6aU
https://noagendasocial.com/media/v92avtV-H30drrkjByM