My anecdata- friend last year just crossed $100K in about her 15th year teaching in Boston suburbs. She didn't have to do any of the "add-ons" like sports team

My anecdata- friend last year just crossed $100K in about her 15th year teaching in Boston suburbs. She didn't have to do any of the "add-ons" like sports team coaching, curriculum work, tutoring, etc. to get to that number.