Compares time-block scheduling efforts at two Pennsylvania high schools. The small-town school chose a semester-block system; the small rural school chose a trimester arrangement. Despite setbacks arising from changing leadership in one school and changing programs (mastery learning) in the other, the intensive time scheduling projects will…

Collaborative school reform occurs when teachers, parents, students, and administrators creatively design and implement a block schedule. Planners should use a systems approach, secure superiors' support, understand the change process, involve all stakeholders, consult outside resources, brainstorm alternatives, examine budgetary implications,…