Starr Sackstein

Starr Sackstein is a recovering perfectionist who is an assessment reforming enthusiast. Currently, she is the COO of Mastery Portfolio, an EdTech startup committed to helping schools move to standard-based communication. She was a high school English and journalism teacher for 16 years, a lead humanities learner for two years, a publisher and developmental editor, and social media manager. Starr is an author, blogger, and speaker committed to changing the way we do assessment nationally and...See more

Starr Sackstein is a recovering perfectionist who is an assessment reforming enthusiast. Currently, she is the COO of Mastery Portfolio, an EdTech startup committed to helping schools move to standard-based communication. She was a high school English and journalism teacher for 16 years, a lead humanities learner for two years, a publisher and developmental editor, and social media manager. Starr is an author, blogger, and speaker committed to changing the way we do assessment nationally and globally. You can learn more about her work on her website MsSackstein.com, and you can follow her on X, formerly known as Twitter @MsSackstein. See less