Crossword Clue:

Teachers before class work

AnswerCrossword Clue
PREPTeacher's before-class work
TASIntro-level class teachers, often
ATTENTIONPLEASETeacher's opening remark to the class.
PREKClass in which the teachers may be the only ones wearing underwear
LBJMost famous member of the Southwest Texas State Teachers College class of 1930