Warren County (North Carolina) High School is in its fourth year of a plan that divides the 180-day school year into three 60-day trimesters. Each day contains four class periods, and each trimester-long course earns students one-half credit. All students and teachers are rescheduled at the beginning of each trimester. The plan's many advantages…

Secondary school administrators must carefully consider the ramifications of a proposed alternative scheduling plan before proceeding with implementation. The first article in this newsletter presents findings from a study that compared data from two groups of schools (one group with a 4 X 4 block plan and the other with a trimester plan) to data…