Southern Regional coach Chuck Donohue Sr. had just one thing to say about John Kaszuba Sr. a few minutes before the staff appreciation ceremony, which wrapped up the school year on June 17.

“They say people are replaceable,” said the football program’s head man. “But not that guy. People have no idea how hard it’s going to be to replace John Kaszuba with all the things he did here.”

Kaszuba retired from teaching at the end of the school year and recently left for his new home in Florida, but his…