When I Schedule a Class Why Does It Not Appear on My iPad Timetable?

There could be a few reasons:

1. Your iPad is not connected to the internet.
2. Your iPad is not synced with the scheduler.  Run a Diagnostics test via the App as follows to re-establish a connection and detect any issues:
3. Unlock the padlock to the top right of the App
4. Navigate to Version > Run Diagnostics Test