Not related to schedules but so good I had to add it.
Workbook Window TM - Makes Any Workbook Reusable
The Learning Loft, LLC is pleased to introduce Workbook Window TM -- a new, innovative educational product specially designed for ABA discrete trial instruction. Workbook Window TM turns any ordinary workbook into a Write-on Wipe-off Practice Book. For more information, visit WorkbookWindow.com