Class teacher - Mass evaluation of students' behavior in final report/certificate

To input a grade of the same value to all students in the class (e.g. grade 1 in behavior), you don't have to input the grade to each student separately. The grade can be input en bloc.
Switch to advanced mode: Advanced mode to enter/view grades, select your class and subject (e.g. Behavior).
Click the Grades icon in any of the students and select the "Set to all" button:

Confirm your choice. The grade is set to all students in the class. Save and close.