Closeup pensive girl in eyeglasses learning at school class. Thoughtful student writing in notebook at school desk. Portrait of dreamy child studying at elementary school
Thoughtful Caucasian businessman gazes through the window
Girl using smartphone in the class
Two girls studying in the class
Two girls studying in the class
Two girls studying in the class
Caucasian boy writing in high school class
Pensive student sitting at school desk in class. Female pupil learning science. Thoughtful girl looking in window. African american kid boring at lesson at elementary school
Caucasian boy raising his hand in class
Young university student using laptop for class indoors