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, child, childhood, children only, class, classroom, concentration, day, education, elementary student, female, five people, front view, germany, girl, girls, head and shoulders, holding, horizontal, indoors, junior high, kids, learning, listening, looking down, male, mature women, middle school, mixed age, multi-ethnic group, preadolescent children only, rear view, school, secondary school, series, side by side, sitting, smile, smiling, some under 18, standing, student, t-shirt, tank top, teacher, teaching, three quarter length, toothy smile, 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, 690030