Ключевые слова: action, active, back, background, boys, caucasian, celebrity, childhood, children, class, classroom, competition, crowd, editorial, education, elementary, entertainment, event, famous, girls, grade, group, happy, indoors, knowledge, learn, lesson, lifestyle, male, men, person, politician, politics, portrait, pupil, school, schoolboy, sitting, smile, standing, student, study, teacher, teaching, teenager, together, white, young, youth,