I was taught by the Christian Brothers. They were tough, but fair and competent. Mind you, this was not the Irish Christian Brothers, but the FSC's of the US.
(We did get a laugh out of it when we read in the Rules governing the schools taught by the order that we weren't permitted swords, rapiers, dirks, stilletos, and so on. When the Order was founded back in the 17th Century the rule was probably needed -- but in West-Central Illinois we didn't even know what some of the things mentioned were.)
Criminal acts are criminal acts, whether done by a priest, a nun, a brother, a parent, or anyone. Criminal acts should be punished as such and the victim, as far as possible, fairly compensated.