You can manually add and edit enrollment rows for students, to update existing enrollments, or to add new/future enrollments.
To add/edit enrollment rows:
1) Navigate to Core. 2) Select Users > Edit User Profile Data. 3) Search/select the student. 4) Scroll to the lower left under System Information. 5) Click Student Enrollment. 6) Click Edit to the right of any enrollment row to update a Users current Enrollment (ex. change Grade Level, mark Repeated). 7) Click Enroll in School in the upper right to add a new enrollment row. Select the School Year and Grade Level 8) Click Save or Save & Exit