Typical situation: Two teachers are teaching two subjects in one class at the same time

The software allows you to create lesson not just for Entire class, but you can create lesson for each group of certain class.

For example you can say teacher Shakespeare is teaching English Group 1:

and teacher Einstein is teaching Math Group 2:

Then in the software you will see both lessons can be placed at the same time:

See also:
Divisions
Groups have to start at the same time
Typical situation: Physical education joined boys and girls from two classes: