Keywords
16-17 years, 18-19 years, 20's, 20-25, 20-30, 20s, 25-30, 40's, 40-45, 40-50, 40s, 45-50, 50-54 years, 50-55, 50-60, 55-60, adult, african, african american, african ethnicity, african-american, afro american, afro-american, american indian, asian, asian ethnicity, binder, black, book, boy, child, class, classmate, classroom, color, color image, colour, concentrating, concentration, cooperation, counseling, day, daylight, daytime, educating, education, educator, examining, explaining, far eastern, fellow, fifties, fifty, forties, forty, front view, gentleman, gesturing, girl, group, guidance, guy, hearing, high school, high-school, highschool, hispanic, holding, horizontal, human, human being, indian, indoor, indoors, information, inside, instructing, intelligence, juvenile, kid, knowledge, latin american, latin american and hispanic ethnicity, latina, latino, learning, listener, listening, male, man, mature adult, medium group of people, mid life, middle age, middle aged, middle-age, middle-aged, minor, mixed race, mixed race person, motioning, multi-ethnic group, multicultural, multiculturalism, native american, native american ethnicity, notebook, occupation, of african descent, oriental, pacific islander, pacific islander ethnicity, people, person, photography, pupil, reader, reading, school, schoolmate, schoolroom, seated, shirt and tie, signaling, sitting, standing, student, studying, teacher, teaching, team, teamwork, teen, teenage, teenage boy, teenage girl, teenager, textbook, three quarter length, three-quarter length, together, togetherness, tome, tuition, twenties, twenty, waist up, waist-up, wisdom, working together, young, young adult, youth, youthful, 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, blm008119