When a group of educators from Massachusetts traveled to Singapore to visit schools and talk to teachers, teacher educators, and school and system-level leaders in the fall of 2015, they were determined to learn how Singapore had built a high-performing education system. Singapore has transitioned from an education system focused simply on universal literacy and primary education to one that aims for universal high school graduation and post-secondary success. It has gone from a developing nation in 1965 to a first-world economy today-and it has done so largely by focusing on education. In...