Historical clue formulations

• Frosh, in a year — 2024-05-28
• One with two years to go, informally — 2024-02-11
• Second-year: Abbr. — 2024-02-04
• Year before jr. — 2023-06-27
• Former frosh — 2022-06-30
• Jr.'s junior — 2020-05-24
• Student who's no longer a frosh — 2020-05-18
• Freshman, a year later, informally — 2020-01-27
• 10th grader, informally — 2019-11-19
• 10th-grade student, for short — 2018-08-01
• Second-year student, for short — 2018-02-08
• Many a frat pledge — 2017-11-05
• Tomorrow's jr. — 2017-09-21
• 10th: Abbr. — 2016-07-24
• Next year's jr. — 2016-05-02
• Second-class person, informally? — 2016-02-25
• 2nd-yr. student — 2014-09-04
• 10th grader, informally — 2013-09-02
• 10th grader: Abbr. — 2012-05-28
• One who's junior to a jr. — 2012-04-04
• '13 grad in '11, e.g. — 2011-04-17
• New varsity team member, maybe: Abbr. — 2011-02-05
• H.S. class member — 2010-04-15
• Many a J.V. player — 2009-11-21
• One who attends school hops — 2009-09-19
• Jayvee player, maybe — 2008-09-30
• Not yet a jr. — 2008-08-06
• Year before jr. — 2008-05-06
• 10th, in a way: Abbr. — 2006-07-13
• Frosh outranker — 2005-05-22
• 10th-grader, for short — 2005-03-21
• Former frosh — 2001-01-09
• Certain student, for short — 2000-07-27
• Frosh follower — 1999-12-21
• Short school year? — 1999-12-11
• Frosh, next year — 1999-11-01
• Campus figure — 1999-08-15
• Second-year student, for short — 1997-06-23
• Future jr. — 1997-04-09
• Frosh, next year — 1997-01-01
• Certain high schooler, for short — 1996-10-12
• College student, for short — 1996-06-30
• Year before jr. — 1995-12-19
• Year in school: Abbr. — 1995-05-07
• Undergrad — 1995-02-28