Keywords
10-11 years, 12-13 years, 40-44 years, asian ethnicity, assistance, attentive, berlin, blackboard, boy, boys, button down shirt, casual clothing, caucasian appearance, chalk, chalkboard, childhood, children, class, classroom, concentration, day, education, elementary student, female, five people, front view, full length, germany, gesturing, girl, girls, hand raised, head and shoulders, high angle view, holding, horizontal, indoors, jeans, junior high, kids, learning, listening, looking away, male, math, mathematics, mature women, middle school, mixed age, multi-ethnic group, preadolescent children, rear view, school, school work, secondary school, series, showing, sitting, smiling, some under 18, standing, student, t-shirt, teacher, teaching, thinking, three quarter length, toothy smile, woman, workbook, writing, 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, 690035