To set this manually:
  1. In onRecord > Procedures > Schedule Maker > View Master Schedule, view each teachers schedule. View Master Schedule is accessible from either the Master Schedule or Student Schedule tile.
  2. In the Schedule window, select View Block by Teacher in the upper-left of the window.
  3. If all of the blocks meet everyday, then view all the teachers with more then 3 classes per day and decide which blocks should they not meet.
  4. Go to Core > School > Departments & Courses.
  5. Click on View Teachers across from the department.
  6. Un-check the blocks the teacher should not teach in.
  7. Go back to onRecord > Procedures > Schedule Maker.
  8. Run Schedule Maker again to update the results.
Note: Prior to running Schedule Maker, save a snapshot so you can go back to the last set of results if necessary.