Keywords
16-17 years, 17-18 years, african ethnicity, asian ethnicity, backpack, black hair, book, calculation, calculator, casual clothing, caucasian ethnicity, dedication, education, group of people, hand on chin, high angle view, high school student, indoors, knit hat, learning, looking down, mathematics, multi-ethnic group, open, pencil, pointing, sitting, sweater, teamwork, teenage boys, teenage girls, teenager, three-quarter length, waist-up, warm clothing, 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, 1574r-0563, 1574r 0563, 1574r0563