How to assign homework to selected students only

When assigning homework, click the numbers situated close to the selected course.

The homework will be assigned to students indicated with a green background. If you want to assign the homework only to one or two students, unmark all students by double clicking the "Select all" tick box in the bottom left corner. Then mark the relevant students only.

In the screenshot you can see that the homework will be assigned to 4 studetns out of 7. Click the "Done" button to assign the homework.