The cute class timetable below suggests that a school period is a block of time allocated for lessons and school classes. They typically last between 30 and 60 minutes, with around 3-10 periods per school day. However, especially in higher education, there can be many more. The following class schedule diagram is designed in EdrawMax. The free class schedule maker is highly user-friendly. The advanced class schedule maker offers tons of customization and lets you insert tables and charts as per your requirement. Teachers can later share the class schedule diagram with their students to ensure that they are following and adhering to all the rules and regulations imposed by the authority.