Audible Stories: Audible.com has made access to a huge collection of children's books, in six languages, all for free, during this time when schools are closed. All stories are free to stream on your desktop, laptop, phone or tablet. Explore the collection, select a title, and start listening. Search by age group (Littlest Listeners, Elementary, Tween, and Teen) or by language (English, French, German, Italian, Japanese).
Junior Library Guild eBooks: Free, unlimited access to read books online. Look for the Middle and High School streams.
TeenBookCloud - Grades 7-12 ebook database. Just click and read, no limit on number of books! This database generously provided free of charge to libraries through August 31, 2020.