Across the country, we’re confronting a reality we can no longer ignore: our current education system isn’t meeting the needs of today’s learners—or the expectations of their families, communities, or future employers. Disengagement is rising. Teachers feel increasingly constrained by mandates that don’t reflect the day-to-day realities of their classrooms. And despite unprecedented effort,…

Ask most educators what the basic unit of learning is at a high school, and they’ll most likely say a course, subject, or period. Forty-five minutes with one teacher, one group of students, one set of standards to cover. We’ve organized schools around this container for so long that it no longer feels like…