Californians are being asked for a third time about an income tax on the state's highest earners, and if Proposition 3 passes on Nov. 3, it would be the last time.
The tax began as a temporary measure approved by voters in 2012 to help schools recover from the Great Recession, and voters extended it in 2016. It is now set to expire in 2031. Prop. 3 would make it permanent, CalMatters reported in a story published Wednesday by the Pleasanton Weekly.
Who pays and where the money goes
The tax applies to individuals with income above $371,000 and couples above $743,000. Its yield has swung from about $5 billion to $15 billion annually, since the incomes it taxes track markets, interest rates and similar factors.
If the measure passes, those earners would keep paying a 12.3% top rate. Combined with the state's separate 1% surcharge on income above $1 million that funds mental health services, the top rate stays at 13.3%, which CalMatters says is the highest in the country.
Most of the revenue flows through Proposition 98, the formula that guarantees roughly 40% of the state budget to public schools and community colleges, with any amount above a set level going into a rainy day fund. The Legislative Analyst's Office says the tax also frees up other state money for health care and services.
In strong years the tax covers about 15% of the K-12 budget.
The two sides
The California Teachers Association is the main backer. President David Goldberg called the measure "vital for our schools" and said districts could lay off as many as 50,000 teachers if it fails. The yes campaign has collected over $40 million, against $5,500 on the opposing side, who include taxpayer associations.



