Rather than merely dusting and polishing the old comfy stuff, these authors have spent 35 years trying to find out how people can learn to use new curriculums and ways of teaching. They have done some studies that would meet high standards of design, learned from peering at correlations, and stumbled on important things while teaching kids and…

The major challenge with time is finding it. Current school-day schedules and school-year calendars are leaner than ever because of budget reductions. States and districts have implemented furlough days to balance lean-and-mean budgets that show no sign of improving. Few are willing to take the leap toward reducing instructional time to improve…