Ключевые слова: a, academic, achievement, alphabet, assessment, background, best, black, blackboard, board, chalk, chalkboard, class, closeup, college, design, education, encircling, evaluation, exam, excellent, good, grade, grading, hand, illustration, information, kid, knowledge, learn, lesson, letter, mark, perfect, person, plus, pupil, result, school, student, study, success, symbol, system, teach, teacher, test, white, woman, write,