Historical clue formulations

• The class of '26 in '24, say — 2023-11-30
• They're no longer "fresh" — 2023-11-12
• Former frosh — 2020-09-02
• They outrank frosh — 2019-07-11
• Many P.S.A.T. takers, for short — 2019-01-11
• 10 students, for short? — 2014-07-17
• Juniors' juniors, briefly — 2014-04-25
• Some J.V. players — 2011-03-26
• Second-year students, for short — 2009-01-19
• Frosh, next year — 2007-07-11
• Second-year collegians, informally — 2006-07-27
• Campus group, informally — 2003-05-18
• Second-year students, for short — 1998-11-03
• Some campus returnees — 1997-05-24