KnowRe, a Korean education technology company with a cloud-based adaptive learning program for secondary mathematics has just secured $6.8 million in a funding round led by Softbank Ventures. KTB Network Co., LTD, Partners Investment, SparkLabs Global Ventures and a number of other investors joined the round. KnowRe launched in March 2014 after a year-long beta period in which the company hosted a successful pilot program involving dozens of middle and high schools in…