Harvard Education Letter. Volume 25, Number 4, July-August 2009

"Harvard Education Letter" is published bimonthly by the Harvard Graduate School of Education. This issue of "Harvard Education Letter" contains the following articles: (1) Putting the Brakes on "Summer Slide": Modified School Calendars Build in Time to Enrich Learning and Sustain Gains (Brigid Schulte); (2) Closing the Achievement Gap with Extended Learning Time: A Voluntary Program in Massachusetts Takes Root in City Schools (Colleen Gillard); and (3) "Manga Is My Life": Opportunities (and Opportunities Missed) for Literacy Development (Michael Bitz). Online version may contain additional articles.