| 1990 | Corwin is established as a division of SAGE by CEO David McCune, with Gracia Alkema as its founding president |
| 1991 | First Corwin book published: Decentralization: The Administrator Guidebook to School District Change by Daniel J. Brown |
| 2000 | Over 500 books in print and more than 1 million books sold |
| 2005 | Corwin produces its first multimedia kit, The Parallel Curriculum by Carol Ann Tomlinson et al. |
| 2009 | Corwin titles are available as eBooks on Amazon Kindle |
| 2012 |
Corwin launches its first eCourses Corwin launches the Read2Earn program with California Lutheran University Corwin hosts its first two national institutes: the Cultural Proficiency Institute and the Common Core Institute Corwin eLibraries, a platform featuring custom and topical collections of Corwin eBooks, is launched |
| 2013 |
Corwin launches author consulting program Corwin becomes the exclusive provider of Visible Learningplus in North America The first book in the Corwin Literacy line is published |
| 2015 | Corwin establishes the Corwin Australia office in Melbourne |
| 2018 |
Corwin establishes an office in Toronto Corwin acquires Visible LearningPlus globally |