school mates, boy and girl, standing before the chalkboard as a background with a backpack on their backs. disappointed

back background backpack beautiful black blackboard board caucasian chalk chalkboard cheerful child childhood claping cute diligence disappointed education elementary emosions emotion excited expression grade hands head kid leaned learn lesson lifestyle people person portrait preschooler pupil school schoolboy schoolfriends schoolkid schoolkids schoolmates shoulder small study write young youngster youth