On the first day of his senior year way back in September, Hank Gallacher walked through the unusually quieter halls of Southern Regional High School with a mask over his nose and mouth, not sure what the 2020-21 school year was going to look like by the end of it. He said then that it would be a miracle if it somehow turned out to be a normal one.

Alongside some 500 other seniors on June 16, Gallacher didn’t have a mask on his face, walked across part of the football field as part of nearly 13…