K-12 instructional content platform Newsela has announced a $100M Series D investment led by new investor Franklin Templeton and existing investor TCV, with participation by Owl Ventures, Tao Capital Partners, Chan Zuckerberg Initiative, and Waycross Ventures. “With 37 million registered students and 2.5 million registered teachers in 90% of all U.S. schools, Newsela is well…