Answer: graduation

AnswerCrossword Clue
GRADUATION

Party for gown wearers

GRADUATION

Sheepskin presentation

GRADUATION

High school finale

GRADUATION
Event at which "Pomp and Circumstance" is played
GRADUATION
Important June event.
GRADUATIONCommencement.
GRADUATIONMarks on a chemist's vessel.
GRADUATIONWhen Harry Highschool becomes Joe College
GRADUATIONWhen one becomes eligible for college