Investors
Series C  •  $50.3 million
December 2017
Learn Capital, Chan Zuckerberg Initiative, TCV
Series B  •  $50.5 million
June 2015
Series B  •  $50.5 million
June 2015
TCV
Series A-1  •  $3.4 million
January 2015
Series A  •  $3.4 million
June 2014