Before importing at beginning of the year, delete the highest grade students from your school. Link for deleting students
Importing Students: You can pull this file at any time and upload it to put new students into Alexandria. It will update any students and add them too. Link for Importing Students
Go to UCS Portal
Download file
Tools
Import
Choose file
Upload file from UCS Portal
Field Mapping (Make sure fields are linked)
Allow import to Modify Existing Records
Run