Great website with a huge array of online learning activities. Lots of ideas to give students some creative options when distance learning.
There are some fantastic interactive resources for students, mobile apps, lesson plans, and more. This resource is for K-12.
Common Sense Media has a variety of resources for teachers, parents, and students. They are known for vetting their sources, reading materials, etc. for age appropriate use. They have some interesting resources and may be a good place to look for reading material ideas.