Blackboard background with a chalk frame

Keywords:

white, learning, concept, teaching, handwriting, alphabet, background, billboard, black, blackboard, blank, board, chalk, chalkboard, childhood, class, classroom, college, communication, dirty, drawing, edge, education, elementary, empty, exam, examination, frame, grunge, information, knowledge, learn, lecture, lesson, material, message, note, old, remind, school, scratch, space, study, studying, teach, text, texture, used, write,