science class at primary school

10 12 adolescent age american blue book brown casual caucasian chemistry child children class classmate classroom clothing color concentrating education elementary european face female focusing girl girls green group hair horizontal image indoor indoors kid kids learning lecture lecturer lesson long look looking mate offish people person photo preteen primary pupil read reading room scholar school schoolchildren schoolgirl schoolmate science serious severe severity shirt stockphoto student students study studying teacher teaching team test textbook thoughtful tube white years