Why do a trimester schedule? With the advent of block scheduling, many high schools conducted research on utilizing that plan in a trimester format. There appeared to be three issues that most schools faced: (1) How to provide substantive instructional time that was not fragmented?; (2) How does the school climate contribute positively to…

Compares achievement of students attending a large Florida high school under a traditional schedule during 1993-94 and a trimester block schedule during the following year. Passing grades have gone up 3.7%. Regarding Scholastic Aptitude Test and American College Testing results, there was no significant difference. Teachers, students, parents, and…

Describes a committee's efforts to revamp schedules to improve their high school's elective course options, provide equitable teacher-preparation time, and use instructional time productively. From three viable schedules (a four-period block, alternating-day schedule; a five-period trimester with a flexible period; and a modified trimester plan…