Santa Monica-based Quizizz, a developer of software which gamifies teaching with quizzes and interactive lessons, said on Wednesday that it has raised $31.5M in its Series B funding round. The funding was led by Tiger Global Management, and also included Nexus Venture Partners, GSV Ventures, Eight Roads Ventures, plus Yahoo co-founder Jerry Yang. According to Quizziz, its product is now being used in over 120 countries, and at more than 80 percent of U.S. K-12 schools. Quizizz is led by co-founder and CEO Ankit Gupta. According to Quizizz, the new funding will go to expand its team, both in India and the U.S.