Salesforce Ventures has reinvested in the tuition software provider, which also counts Google as an existing investor.

Salesforce Ventures, the corporate venture capital arm of enterprise software producer Salesforce, has joined other investors in a $100m series C round for Canada-based tutoring software provider Paper.

The round was led by venture capital and growth equity firm IVP, while VC firms Framework Venture Partners, Bullpen Capital, Reach Capital, Birchmere Ventures and BDC Capital also took part alongside an entity called ETW.

Paper operates an online educational support system through which school students can access on-demand homework help and…