The district has a $15 million budget deficit and plans to cut $10 million from next year's budget.
"We are heartbroken over it. We've done everything we could. Our Board of Education has been great stewards of the money, but when we're getting less money than we did in 2006 and 2007, you're bound to face cuts," said Superintendent Richard Sheehan.
Officials have fought hard to trim costs outside the classroom, but now they're facing teacher layoffs and increased class sizes.
"The class sizes is definitely a concern, because the class sizes are already large," said parent Martha Sensel.
Two measures on the November ballot, Propositions 30 and 38, would increase taxes to help fund schools. Parents say they're going to have to make some tough decisions.
"We don't need more taxes in this country. So I'd probably be leaning towards not voting for them at this time, but again, it's something I need to look into a little deeper," said parent Ken Vietzke.
Glendale is planning to apply for a federal grant that would bring in $30 million to $40 million over the next four years.