I have explored Pinterest for a few craft ideas in the past, but enjoyed the process of searching with a education/school employee focus in mind.
I have been a elementary music teacher, paraeducator and substitute teacher. With those 3 "hats" in mind, the following are a few boards I have begun to follow:
https://www.pinterest.com/fernsmith/substitute-teaching-tips/https://www.pinterest.com/stargrl30/paraeducating-tools/https://www.pinterest.com/MIMUSICED/orff/https://www.pinterest.com/mattgreen8/elementary-music-lessonshttps://www.pinterest.com/makingmusicfun/elementary-music-lesson-plans/