How to limit students in the existing subject?

Question:

I want to remove some students from the existing subject.

Answer:

You cannot remove a student only from the subject keeping the student in the class.
If you are ok to remove the student from the class, the student will be took off from the subject accordingly.
To remove a student from a class,
1. Login to LoiLoNote School with an admin authority on the web.
2. Get in to the class and tick the student in the member list.
3. Click "-Remove Students" and "OK" to confirm.