I found all sorts of pins that can be used within a classroom. Beware you can get lost in the pretty pictures, later you will then find out that the link really is only so so so or even not even functional.
I found things I can use as a substitute teacher, as well as in the ag. classroom or in a science or math class.
One I particularly liked, happen to be
https://www.pinterest.com/pin/287597126182549034/ with her 10 classroom procedures.
I also find that when I substitute in the middle school, that many students need to have a free reading book (as all middle school has to pass their AR goals). Many non readers do not know of any good books. This simple flow chart will help me come up with more ideas than I already know from my own girls experience.
https://www.pinterest.com/pin/50243352071451849/ Having it on pinterest makes it easily referable and at my convenience.