Many gifted kids experience multiple learning environments, including homeschooling. You may wish to begin by learning whether homeschooling is allowed in your State, and ensure compliance with any laws. Some states have associations with annual conferences.
Davidson Database offers many articles on homeschooling, including getting started and resources others may have used.
Gifted Homeschoolers Forum may prove helpful.
There are many books and online links with information which may help parents decide what to teach year by year.
Home School Legal Defense Association (HSLDA) may be of assistance in researching state laws regarding homeschooling.
Links to these things and more can be easily found with web searches.
You may wish to keep records including reading lists, projects, a portfolio of work samples for future reference.
