There are two new laws now in effect in NH regarding home schooling. First, HB 545 eliminates the requirement to report home schooling to the school district every year. Second, even better, HB 1571 eliminates curriculum review and approval.
http://www.nhliberty.org/bills/view/2012/HB545
http://www.nhliberty.org/bills/view/2012/HB1571