This is a small mom-owned company that provides science resources. The shop on Teachers Pay Teachers offers lesson and unit plans, activities, games, and lots of printables. There are also a few online classes for high school level students. These appear to be religiously neutral materials, but don't cover evolution in a comprehensive way.
Saturday Grab Bag
Printable curriculum materials for preschool through second grade levels.
Thursday History/Social Studies
This website from the Government Publishing Office has resources for learning about the US govern
The name of this site says it all!
Tuesday Language Arts
This company provides programs for beginning reading and math learning.
This company publishes three books for helping elementary learners explore science.
Self-paced, online courses for learning coding.