Pratt Institute is starting the exploratory process & according to the article they're joining the ACAA:
http://goprattgo.com/general/2017-18/releases/20180216hyaowh

Bob Jones University also got accepted:
http://www.bjubruins.com/news/2018/2/15/general-ncaa-approves-bjus-application-for-exploratory-membership.aspx?path=general