WOW! Did I find a source of info!
Here is an online magazine about mothering, not specifically Christian. Nice online community. But here is the deal: a compilation of vaccine exemption info.
http://www.mothering.com/community/wiki/vaccine-exemption-information-for-all-50-states-in-the-u-s-a?utm_campaign=tickler&utm_source=tickler_no_action_3_days&utm_medium=email