With most Arizona schools closing for the summer in just three weeks, the state's teachers strike could last several more days.

Joe Thomas, president of the Arizona Education Association and a leader of the #RedForEd movement, says on this weekend's "Sunday Square Off" the walkout is open-ended, as teachers await Gov. Doug Ducey's introduction of a budget bill this week that includes his plan for teacher raises.

Also on "Square Off":

-We get details on a ballot initiative filed last week that would create a dedicated funding stream for schools. David Lujan, treasurer of the Invest in Education Committee, says the initiative would raise income taxes on the wealthiest one percent of Arizona's population. Lujan also explains why school employees would get a veto on how the money is spent by school boards.

-Was Republicans' narrow victory in the CD8 special election a warning to all GOP candidates on the November ballot? We get insights from political analyst Chris Herstam and Republican consultant Chris Baker.

"Sunday Square Off" airs at 8 a.m. Sunday on 12 News, after NBC's "Meet the Press."

No end date on Arizona teacher walkout

The president of the Arizona Education Association says Arizona's teacher walkout is open-ended, as teachers await Gov. Doug Ducey's introduction of a budget bill this week.

Initiative would raise taxes on 'top 1 percent' to pay schools

We get details on a ballot initiative that would create a dedicated funding stream for schools.

Why GOP win in CD8 was a warning for November

Political insiders Chris Herstam and Chris Baker explain why Republicans' narrow victory in the CD8 special election a warning to all GOP candidates on the November ballot.