The resigning coach should’ve pulled his team off the field, forfeited that game. The school should disband the team. The school is either cowardly, or evil, if they don’t eliminate the football program. Some of the kids on the offending team are probably counting on their football skills to get them into college on a scholarship. Let them discover early how this type of behavior shouldn’t be tolerated.
I use to work chain gang at high school games. When urban teams would come to play us, the N word was constantly used which was normally a penalty. It was the oddest rule ever.