Ключевые слова: back pack, back to school, backpack, biracial boy, books, casual, cheerful, childhood, copy space, day, diverse, diversity, education, elementary, grin, happy, joyful, joyous, kid, learning, multi ethnic, multicultural, multiracial, notebook, people, portrait, preteen, primary school, reading, ready, school, secondary school, smiles, smiling, student, studying, youth, youthful,