ANCHORAGE, Alaska (AP) – A superior court judge has invalidated the state of Alaska's requirement that local school districts help pay for education, which could leave a cash-strapped state on the hook for more than $220 million in additional funding statewide.

Judge William Carey ruled the contribution is a dedicated fund, which violate the state constitution's provision that no state tax or license will be earmarked for any special purpose. Carey ruled in the case Friday, but copies of the decision weren't available online from the Ketchikan court. The state Department of Law distribute...