What high school issues yearbooks in August?
Graduation is normally in June. The yearbook needs to be out before graduation, so that the graduates can get it signed by all their friends and then forget about it by August.
Go to this thread roll-up and there you can read the policy on the school’s website well down into the process of the observations that have led to this. Then get back to us. . . .
https://tttthreads.com/thread/930229004765822976
https://twitter.com/ThomasWictor/status/930341846135422976