Historical clue formulations

• For grades K-12 — 2024-04-18
• Educ. publishing division — 2023-08-16
• Comprehensive, in ed-speak — 2019-08-14
• K-12 — 2019-05-05
• K-12 — 2019-03-31
• K-12 — 2018-11-22
• Like many textbook publishers — 2018-11-02
• K-12 — 2018-05-06
• K-12 — 2017-10-29
• For grades K-12 — 2017-05-17
• For grades 1-12, briefly — 2017-04-23
• K thru 12 — 2017-04-02
• Including all grades, briefly — 2017-01-03
• Precollege — 2016-07-24
• Textbook market shorthand — 2016-04-21
• K-12 — 2015-12-14
• All-inclusive, in edspeak — 2015-10-11
• All-grade — 2015-10-08
• Like certain educational publishing — 2015-08-09
• Not class-specific — 2015-03-14
• Thru 12th grade — 2015-02-18
• Like some textbook publishers — 2014-11-16
• Comprehensive, in edspeak — 2014-07-17
• Pre-coll. years — 2014-04-17
• K-12 — 2014-04-13
• Educ. book category — 2014-03-09
• Primary and secondary, briefly — 2014-01-25
• Grades 1-12 — 2013-07-08
• Not grade-specific — 2013-06-01
• Pre-coll., in education — 2013-05-30
• K-12, in education — 2013-05-21
• All the way through 12th grade, informally — 2013-05-16
• K-12, in education lingo — 2013-04-22
• Geared to 1st-12th grades — 2012-07-31
• For grades 1-12 — 2012-04-09
• K-12 — 2011-08-07
• Pre-college yrs. — 2011-01-02
• Grades K-12 — 2010-12-21
• For all grades — 2010-12-09
• Like some textbooks — 2010-09-01
• K-12 — 2009-03-22
• For grades 1-12 — 2009-02-23
• K-12 — 2008-08-06
• K-12 grades, collectively — 2008-06-15
• Grades 1 to 12, briefly — 2008-04-14
• Like some educ. publishing — 2006-12-14
• Relating to grades 1-12 — 2006-10-09
• K-12 — 2006-09-05
• K-12 — 2006-07-19
• Like some textbook publishers — 2006-04-22