How can I sort students by roll number on the attendance marking page?

By default, students are sorted by roll number. If roll numbers are not available, they are sorted by name.
If you want to manually sort them by roll number:

1. Locate the Roll No. header on the mark attendance page.
2. Click the upward arrow next to it to sort by roll number.

Note: This is a temporary change and needs to be repeated each time you access the page.