A good place to start if you are considering home schooling. Written by a thoughtful many who was home schooled and is now home-schooling is children. Some useful links.
After a five-year circumnavigation with two children, the author talks about some of the things they learned and how their eldest fared when she returned to California for college.
A game to teach children to follow compass courses, take bearings, even plot courses for the hunt.
A family of liveaboards write a free e-zine for cruisers. Articles are categorized by their subject: experienced cruisers, education afloat, pets, budgeting, and a good section for those not yet afloat but dreaming about it. Back articles are available on their site.
Some good advice about home schooling including programs, technique, and attitude.