Education technology is becoming an increasingly popular field and, as such, is starting to draw the eye of more investors. The latest company in this field to acquire cash from investors is Lynda.com, an online video tutorial service that has managed to raise more than $186 million in funding. 

Investor confidence in the education technology sector suddenly looks a lot more serious — at least for digital learning companies with proven business models. Lynda.com, an online video tutorial service that provides professional skills training to individuals and enterprise clients, announced Wednesday morning that it had raised $186 million in financing. The round was led by TPG Capital, a private investment firm. The sum dwarfs the largest ed tech financing deal of last year; in that deal, Pluralsight, another online training platform for professional skill development, raised $135 million from venture capital and private equity firms.