Keywords
10-11 years, 12-13 years, 40-44 years, adult, asian ethnicity, attentive, berlin, blackboard, blond hair, boy, boys, casual clothing, caucasian appearance, chalkboard, cheerful, child, childhood, class, classroom, day, desk, education, elementary student, female, front view, germany, girl, girls, hand raised, head and shoulders, holding, indoors, junior high, learning, listening, looking down, male, mature women, middle school, mixed age, multi-ethnic group, over the shoulder view, rear view, school, secondary school, series, sitting, smile, smiling, some under 18, standing, student, teacher, teaching, three people, three quarter length, toothy smile, vertical, woman, workbook, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, 690018