Quizlet is a leading consumer learning brand that builds learning tools to inspire and empower students and teachers.

Quizlet provides engaging study tools to help people practice and master whatever they are learning.

Quizlet was founded in 2005 by Andrew Sutherland. The company is headquartered in San Francisco, California, with an office in Denver, Colorado.


Quizlet combines cognitive science and machine learning to guide students through adaptive study activities to confidently reach their learning goals. The company offers a combination of free and paid subscriptions for both students and teachers that enable further customization.


Quizlet has over 50 million students, teachers and everyday people who uses Quizlet each month to study any subject imaginable for school, work or as part of their personal interests -- including 2 in 3 high school students and 1 in 2 college students in the US.


Quizlet is backed by General Atlantic, Icon Ventures, Union Square Ventures, Costanoa Ventures and others. The company raised $30M in a Series C round on May 13, 2020. This brings Quizlet's total funding to $62M to date. The round also values the company at $1B post-money.



  • Year founded: 2005
  • Funding Info: $62M over 3 Rounds (Latest Funding Type: Series C)
  • Yearly Revenue: NA
  • Employee Size: 51-200
  • Business Valuation: Valued at $1B as of May 13, 2020
  • City/Town: San Francisco
  • State: California
  • Country: United States
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