Grockit is a social learning startup company that has raised $7 million in Series D. Current investor Atlas Ventures led the round. Existing investors Benchmark and Integral Capital also participated. New investors NewSchools Venture Fund and GSV Capital CEO Michael Moe participated in this round.

Grockit is an online learning website that has raised $7 million in Series C. Atlas Venture is the lead investor in this round. Other investors in this round include Integral Capital and Benchmark. Grockit helps students prepare for exams such as the SAT and the GMAT. [TechCrunch]