Stock Photos: teenager boy

Young cook is at your disposal
Showing right way how to brush teeth
Taking care of dental hygiene is important
She's got serious attitude to her job
You learned this lesson very well
How is this city called?
Listen to me carefully!
Get your phone off the table!
Have you written down what i said?
Pedagogical problems
Happy with her student's success
I'm telling you this for the hundredth time!
Tell me what is the capital of this country?
I can't stand being told off in front of the class
I can't stand being told off in front of the class
What are you doing at the uni, kid?
What are you doing at the uni, kid?
You're not behaving very well, young man
So, what problem we've got here?
Not hearing anything bothering for now
I forgot my copybook at home
I believe you can do it
Write it down, please
Doubtful educational methods
You're making progress!
Happy young teacher and a schoolboy standing together
I just wanted to show the example of animal evolution here
I just wanted to show the example of animal evolution here
I think my teacher doesn't like my drawing
I'm not happy with your behavior at all, you know
I'm not happy with your behavior at all, you know
When you're mad at your older sister
When you're mad at your older sister
Scientia potentia est
Scientia potentia est