“I would rather us sit down and try to work this out, but if the governor issues an amendatory veto without having first consulted with the sponsors of the bill and the proponents of the bill, I will file a motion to override immediately,” Manar said.

Manar and other rank-and-file lawmakers have championed the school funding issue at the Statehouse for about four years, sponsoring a number of proposals that failed in committee or on the floor. They say the revised formula will help level the field for students in Illinois by giving poorer districts more help.

Under the plan, money for each school district would be based on an “evidence-based funding formula,” which would take into account each school’s class sizes, enrollment, teacher salaries, student activity budgets and other factors to calculate aid.

Currently, the state’s school funding formula greatly relies on the property taxes of the districts.

The school aid dispute is up against an Aug. 10 deadline for school payments to go out, said state Comptroller Susana Mendoza. She said without a plan in place, schools would go without state aid, similar to many state service agencies and universities that have suffered without a budget.