Quizlet, founded in 2005, joined the Unicorn Club in May 2020 after raising a $30 million Series C led by General Atlantic, achieving a $1 billion valuation. Headquartered in San Francisco, California, United States, the EdTech unicorn has raised $62 million across four funding rounds. Quizlet provides digital flashcards and collaborative learning tools for students across K-12 and higher education. Investors include General Atlantic and firmgroupsinc.com. Funding supports platform enhancements, global expansion, and mobile app development, positioning Quizlet as a leading provider of digital learning solutions worldwide.