Education Week – Sarah D. Sparks
“In studying school improvement efforts across the country, Ben Lummis of the National Center on Time and Learning said it generally takes an increase of 300 hours of additional time each year to make a real difference for students. Moreover, among about 40 schools the center has studied, those most effective in expanding learning time ensure it affects all students, not just a few, and is balanced among core academics, enrichment activities, and teacher collaboration and planning time.” (more)