SCHOOLS is a playable word

school Scrabble® Dictionary

verb
schooled, schooling, schools
to educate in an institution of learning
50 Playable Words can be made from "SCHOOLS"
   2-Letter Words (6 found)
   3-Letter Words (14 found)
   4-Letter Words (18 found)
   5-Letter Words (9 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)