Last year's jrs

• Class group: Abbr.
• H.S. students who are often tired of being there
• Elder cits.
• "Modern Maturity" audience, briefly
• Most IRA spenders
• M.C.A.T. takers
• A bunch of U.'s guys?
• Top class: Abbr.
• Many promgoers: Abbr

Wiktionary Word definitions in Wiktionary
abbr. (context texting chatting English) (abbreviation of serious English)