Ключевые слова: apple, apple fruit, back to school, blackboard, book, chalkboard, chalkboard visual aid, class, classroom, closure, college, color image, concepts, copy space, created with artificial intelligence, design, education, elementary, elementary school, equipment, eraser, homework, horizontal, illustration, indoors, learning, marking, no people, paper, pen, pencil, pile, piled, quarantine, safety, scene, school, school building, school supplies, schooling, stacked, student, studying, symbol, text, virus, year,