
1) Big name in test preparation 2) Comic competitor 3) Gabe who played kotter 4) Giant in test prep 5) GMAT class offerer 6) He was Kotter 7) Kohenitic surname 8) Kotter actor 9) Kotter player on TV 10) Test prep company 11) Test prep giant 12) Testing surname
Found on
https://www.crosswordclues.com/clue/kaplan

1881–1983, U.S. religious leader and educator, born in Lithuania: founder of the Reconstructionist movement in Judaism.
Found on
https://www.infoplease.com/dictionary/kaplan
No exact match found.