He took classes he enjoyed, like social sciences and history, and also picked up work as a substitute teacher in the public school district. (gse.harvard.edu)
He only taught for one day as a substitute teacher in order to exploit a loophole in state law. (teacherpensions.org)
She's been working as a substitute teacher for the last few years but really wants to find a new job. (realtormag.realtor.org)