SCOTTS VALLEY - Parents whose kids take a day off from school will be asked to open their wallets. That will be $36.13, please. Desperate to hold on to every penny of state funding, Scotts Valley Unified School District leaders are asking parents to make a donation to the district for the amount it loses every time a student is absent for a reason other than illness. They say such absences cost the district $223,500 last school year. ``When parents keep their kids out of school, it's difficult for the child,'' Superintendent Susan Silver said. ``But it's also a cost...