http://www.learningchocolate.com - This is an interactive picture/audio dictionary with many different topics. Begin with the “school” category for basic school and classroom vocabulary.
https://www.uniteforliteracy.com/ - This site has English/Spanish picture audio books
https://www.kidsa-z.com - Has many bilingual audio books
International Children's Digital Library E-books in many languages
https://getepic.com - Has many bilingual audio books