Free digital picture books in English and Spanish at Unite for Literacy .
Access free digital articles for grades K-6 at Time for Kids.
Thousands of books and resources available to view at epic! when you register for a free account. Teachers have free access and parents get 30 days for free with a registered account.
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Free access to articles best suitable for grades 3-12 at CommonLit.org. Free accounts are available to teachers, students and families.