A great feature offered by Teachworks is the ability for teachers and staff to enter their availability on their profiles and then have that availability displayed on the calendar so that your office staff can easily find openings in their schedules.
The availability is for a teacher's general availability. For any times an employee is unavailable during their regularly available times you can add an Unavailability by following the instructions here: Adding Unavailability.
By default, if no availability has been entered, the employee will appear as available for all time slots.
These steps are the same for both employee and administrator accounts.
Go to the employee's profile.
Scroll down to the "Availability" section.
Click the "Add Row" link to add a new availability row.
Select the day, start and end time.
Repeat for as many times as necessary. You can enter multiple time slots on the same day if necessary.
Save the form.
When scheduling lessons if you click the "Check for Conflicts" button, any conflicts between the lessons and the teacher's availability will be displayed.