SEATTLE -- An initiative to limit class sizes in Washington public schools may be on the ballot this fall.

Supporters turned in more than 325,000 signatures to the Washington secretary of state's office on Wednesday. The signatures will still have to be verified, but petition organizers said they're confident they have enough to qualify the proposal for the November ballot.

Initiative 1351 would phase in class size reductions for every grade, prioritizing the youngest students and low-income schools. Smaller classes would cost the state billions of dollars in teacher salaries and school construction. The initiative does not include a plan for obtaining these extra dollars.

Washington state has some of the largest average class sizes in the nation.

The Legislature already has committed to decreasing class sizes in the early grades. That plan is part of the required education reform mentioned in the Washington Supreme Court's McCleary decision on school funding.

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