Answer: SENIOR

AnswerCrossword Clue
SENIORLongest-serving
SENIOR... Skip Day (high-school celebration of truancy)
SENIORGraduated to-be
SENIORKind of partner
SENIORRanking
SENIOR.. citizen
SENIORProm participant
SENIOROf greater tenure
SENIORGraduate, almost
SENIORSoon-to-be grad
SENIORAARP member
SENIORLike one senator in each state
SENIORLike some Senators
SENIOROldest
SENIORCollege applicant, usually
SENIORDiscount recipient, often
SENIORTwelfth grader
SENIORGown renter
SENIORAppointed first
SENIORStudent about to graduate
seniordenoting the final year in high school or college
SENIORCampus big shot, often
SENIORThird-ager
SENIOR... Skip Day
SENIORPromgoer
SENIORGrad-to-be
SENIORElder
SENIORAlum-to-be
SENIORHigher in rank
SENIORLike some partners
SENIORHighest-ranking
SENIORThirdager
SENIORGolf course regular, often
SENIORJob seeker-to-be, often
SENIORCertain prom attendee
SENIORGraduate-to-be
SENIORProm attendee
SENIORHigher-ranking
SENIORFourth-year
SENIORMore experienced