Tip: If you need to archive multiple children, use the checkbox on the left hand side of each pupil's details and then archive in bulk:
How to Unarchive a Student
Click on Students > Students > Use the filters to locate the student
Click on 'Archived Students'.
Click on the tick box next to the student's name to select your student. Then, click on the 'Select Action' drop-down menu to select 'Unarchive Students'. Click on the 'Go' button. Your pupil will then show in Students.