Historical clue formulations

• Any of the U.C.s — 2026-07-19
• Member of a conference, maybe: Abbr. — 2025-04-13
• Duke, but not duchess: Abbr. — 2024-07-11
• C.S.U. or U.S.C.: Abbr. — 2024-05-05
• Brown, for one: Abbr. — 2019-08-21
• U.S.C. or U.C.L.A.: Abbr. — 2019-01-21
• Conference member: Abbr. — 2018-09-15
• Athletic conference member: Abbr. — 2018-06-01
• Duke, e.g.: Abbr. — 2016-04-28
• N.Y.U. or M.I.T. — 2016-02-07
• Colgate, but not Crest: Abbr. — 2016-01-26
• Duke, e.g.: Abbr. — 2015-02-21
• Univ., e.g. — 2014-12-29
• Site of class struggles?: Abbr. — 2014-09-27
• Duke, e.g.: Abbr. — 2014-08-31
• Tech, e.g.: Abbr. — 2014-01-16
• Acad. or univ. — 2014-01-06
• Educ. facility — 2013-09-16
• Acad., e.g. — 2013-09-08
• N.E.A. concern — 2013-05-07
• Institute, e.g.: Abbr. — 2013-05-01
• Dean's domain: Abbr. — 2013-01-09
• Acad. or univ. — 2012-10-22
• Where to study chem. or hist. — 2012-09-11
• Educ. facility — 2012-06-24
• Univ., e.g. — 2011-05-29
• Principal's charge: Abbr. — 2011-05-01
• See 126-Across — 2011-04-03
• Univ., e.g. — 2010-08-15
• Brown, e.g.: Abbr. — 2010-04-25
• Educ. institution — 2009-12-21
• Principal location?: Abbr. — 2009-08-30
• P.T.A. meeting place: Abbr. — 2009-08-23
• Prep, e.g.: Abbr. — 2009-07-04
• K.S.U., L.S.U. or M.S.U. — 2009-04-16
• Knowledge base?: Abbr. — 2009-02-20
• Auburn, e.g.: Abbr. — 2009-02-08
• Org. with an "edu" address — 2008-06-11
• Senior ctr.? — 2007-11-10
• Jr.'s place — 2007-03-08
• Place at which to board: Abbr. — 2006-06-16
• Part of H.S.: Abbr. — 2006-04-26
• N.Y.U., e.g. — 2006-04-09
• It opens in Sept. — 2006-03-24
• P.T.A. meeting venue: Abbr. — 2006-02-07
• Jr.'s place — 2005-11-11
• P.T.A. concern — 2005-08-21
• U.Va. or M.I.T. — 2005-07-14
• L.S.A.T. part: Abbr. — 2005-04-08
• P.T.A. meeting place: Abbr. — 2005-04-05