Go onto School > Timetable > Timetable Administration > Timetable Slots.
On the Timetable slots page, you are able to take several actions, use the filter panel at the top of the page and filter your timetable slots by subject, course/class or year group. This will help you easily identify lessons that have the same teacher or are in the same room.
Edit effective dates
A list of options will populate, click on the "Edit Effective Dates". This will then load the "Change Effective Dates" slide over. Amend the dates and then click on "Save Changes".
Changing the time slots
To change the time, tick the lessons you want to amend and then click on the green pen at the top of the list. Once the list populates click on Edit Timeslots.
A slide over will then load to "Change Timeslots", amend the start/end times for these lessons and click on Save Changes.
Deleting time slots
Tick the lessons that you want the time slots deleted from and then click on the green pen. From the list click on Delete Time Slots.
The "Bulk delete timetable slots" slide over will then load with the list of lessons. Click on "Delete All" so that all the time slots are deleted.