Grockit banks $3M of its $7M round for social learning

Grockit, a company that combines learning with social networking, has raised $3 million of its planned $7 million round of equity, according to a filing with the SEC. The San Francisco-based company helps students prepare for standardized tests online in a peer-to-peer environment. The educational startup, founded in 2007, previously raised more than $10 million. Past backers include Atlas Venture, Benchmark Capital and Integral Capital Partners.