Charter school supporters think they have what it takes to earn a spot on the ballot.
They stopped their signature gathering early because they think they have enough to place their initiative on the ballot.
Opponents say charter schools would divert resources from traditional schools.
"Charter schools have not worked in places like New Orleans, Philadelphia, Chicago and New York,” said Dora Taylor, Seattle Education Blogger
"The errors that have been made in other states we're not going to repeat those here, cause we're learning from 20 years of experience from public charter schools being in place in different states," said Shannon Campion, Stand for Children Washington
The initiative spokeswoman says the campaign will deliver more than 300,000 signatures this Friday. They need just over 241,000 valid signatures.