Ключевые слова: adult, background, black, blackboard, blank, board, chalk, chalkboard, child, class, classroom, closeup, college, color, concept, copy, crayon, dark, design, drawing, educate, education, elementary, empty, female, hand, highschool, learn, learning, person, piece, school, simple, space, stick, student, study, studying, teacher, template, text, texture, white, woman, write, writing, young,