class of [noun]: refers to the students graduating in a specific year
valedictorian [noun]: a student in North America who usually has the highest rank in a graduating class and delivers a speech at a graduation ceremony
graduation [noun]: the successful completion of a course of study at a school for which you receive a degree or diploma
the turning of the tassel [noun]: is a widely recognized tradition in which students move their tassels on their cap from the right to the left at graduation to signify the transition from student to graduate
cap and gown [noun]: a traditional outfit worn by graduates consisting of a hat and robe in school colors
diploma [noun]: a certificate awarded by an educational establishment to show that someone has successfully completed a course of study
tassel [noun]: loosely hanging threads or cords attached for decoration to a cap or other items
pass with flying colors [idiom]: means to pass something with a high score
drop out [phrasal verb]: means to stop attending school or some group or organization
alumni: the people who previously attended or graduated from a particular school, college, or university
put on one’s thinking cap [idiom]: to start thinking about what should be done
rite of passage [idiom]: a ceremony or ritual which occurs when an individual leaves one group to enter another to signify an important change
milestone [noun]: an important point in progress or development
daunting [adjective]: seeming difficult to deal with; intimidating
social norm [noun]: are the unwritten rules of beliefs, attitudes, and behaviors that are considered acceptable in a particular social group or culture
play hooky [idiom]: an American saying that means to not go to school when you should