Ключевые слова: back to school, backpack, beret, cheerful, child, childhood, college, education, educational, emotions, full length, girl, glad, grade, happy, high school, kid, knowledge, knowledge day, nerd, positive, pupil, rucksack, school, school bag, school time, schoolbag, schoolgirl, schooling, september, september 1, smiling, student, teen, teenage, teenager, teeny, tween, university, yellow background,