By Mary Wiltenburg.  This article originally appeared in The Christian Science Monitor, March 9, 2009 The school is bursting at the seams. Desks are packed so tightly in trailer classrooms that a fourth-grader at the International Community School (ICS) can scarcely slip out for a drink of water without knocking into someone. Fifth- and sixth-graders are on a separate campus, seven miles from their siblings in kindergarten through fourth. Some … Continue reading Charter schools’ biggest crisis: A place to call home