Ключевые слова: 15 october, ai generated, back to school, background, banner, book, calligraphy, cartoon, celebration, child, children, class, classroom, concept, culture, day, design, drawing, education, globe, graduation, graduation hat, happy, highschool, holiday, illustration, international, international students day, library, literacy, literacy day, literature, multiethnic, national, passed, pencil, poster, school, school students, student, students, study, teacher, teachers day, thank you, university, world, world students day,