Over the counter products for controlling head lice are photographed in Washington, Monday, Nov. 4, 2013. Some parents are scratching their heads over less restrictive head lice policies that allow children with live bugs in their hair to return to the classroom for the rest of the day. Some school nurses are no longer sending home "lice notes" to parents of other children in the classroom. The policy shift is designed to help keep children from missing class, shield children with lice from embarrassment and protect their privacy. (AP Photo/J. David Ake)WASHINGTON (AP) — Some schools are letting youngsters with reside lice in their hair back in the classroom, a much less restrictive coverage that has oldsters scratching their heads.