Teacher with blackboard in class
Cartoon of female teacher in a classroom with a ruler and a chalk in hands there is a space to write a message in the blackboard and a bookcase beside her. Recommended for promoting educational activities. Under Commons 3.0. Attribution License.
![Teacher with blackboard in class](https://images.vexels.com/media/users/3/70173/raw/fbd90f2e069db35f361fed594d43fff9-teacher-with-blackboard-in-class.jpg)