The court posted a notice on its website Wednesday afternoon saying the ruling was scheduled to be released.
A coalition of school districts, parents, teachers and community groups won a lawsuit in King County Superior Court in February 2010. Judge John Erlick ruled the state was violating its constitution by not fully paying for basic education.
The state appealed, saying Erlick reached beyond the high court's previous ruling on this issue in 1978.
The Supreme Court held a lively public hearing on the case at the end of June. Many of their questions concerned whether the Legislature had made any progress lately in improving the way the state pays for education.
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