Free Civics Resources
To study civics is to learn the rights and duties of being a citizen. Unfortunately, civics education is much ignored except in the most cursory of ways in the US educational system, which is to the detriment of us all. This section has free resources to inspire and teach children (and maybe even the adults in their lives!) to be good citizens: of their community, their town or city, their state, or their country. If you are visiting this website from outside the United States, be warned that this is a very US-centric page, because that's all that I've personally taught. Someday I would like to offer more resources for other countries.
Free Civics Resources
iCivics is a non-profit, non-partisan group that provides civics activities and lessons for students of all ages.
I admit that I like their textbooks more than their free online sources, but the Center for Civics Education offers free lesson plans for students from kindergarten through 12th grade. If you are looking to spend some money (I know that's not what this page is about!) their textbooks can be found used for a very reasonable price.