To register a student in EdPrime and automatically fill in common details through the "Search Scholar" feature for siblings, please follow these steps:

1. Go to the "Student" module and select "Register Student."
2. In the registration form, locate the "Search Scholar" field designed for identifying siblings.
3. Enter the scholar number or search for the sibling by name in the "Search Scholar" field.
4. As you select a sibling from the search results, their details will be automatically populated in the corresponding fields of the student's registration form.
5. Review the populated details and make any necessary changes or additions to the form.
6. Complete filling in the remaining required information for the new student.
7. Once you have filled in all the necessary details, submit the registration form to register the student in EdPrime.

By utilizing the "Search Scholar" feature and linking siblings, you can conveniently populate common details for the new student's registration, saving time and ensuring accurate data entry.