How to input events/lessons with class teacher en masse

The teachers/the administrator can input several types of events into the calendar: How to input a new event into the calendar.

If several classes attend a school event together with their class teachers, the "Class teacher" tick-box can make your event inputting easier:

Select several classes en masse by clicking the "more" function:

and tag the specific classes:

The event will be displayed in the class register of all respective class teachers. They can record the students' attendance in their class registers.

This function can be combined with the entire day event too: How to input an entire day event in the calendar.

Note:
Lessons with class teacher at the beginning of the school year can be input accordingly - just select the "Lesson with class teacher" type of event.