1) Academic warm-up 2) Advance sampling 3) Advance trial 4) Class warm-up 5) Course admission requirement 6) Course requisite, at times 7) Diagnostic school exam 8) Give a dry run 9) Practice quiz 10) Try out ahead of time Found on https://www.crosswordclues.com/clue/pretest
an advance or preliminary testing or trial, as of a new product. · a test given to determine if students are sufficiently prepared to begin a new course of study. · a test taken for practice. Found on https://www.infoplease.com/dictionary/pretest