This company publishes a few unit studies on topics related to American government and writing, designed for use by jr. high and high school level students. They have a Charlotte Mason/Classical feel to them and appear to be well written and thorough. There is also a blog with other ideas for lessons and activities.
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.