Explore how a California measles outbreak spurred one of the strictest vaccination laws in the country.
Among the new laws are changes for math placement and class instruction time.
The referendum needed to collect 365,880 signatures but got 149,135.
Some parents believed those students would be exempt.
Most also believe there is too much emphasis on standardized testing.
BREAKING NEWS: Governor signs bill ending personal belief exemptions.
State Legislature considering several education-related bills.
The bill proposes removing the "personal belief exemption" to vaccination laws.
In the midst of a nationwide measles outbreak tied to unvaccinated children and adults in California, the nation's leading autism advocacy group has changed its position and now clearly states there is no link between vaccinations and autism.
Got a child who is in, or will be entering, kindergarten? Use our database below to see the vaccination rates at your child's school.
The largest outbreak of measles in California in years is prompting school officials to redouble their efforts to convince parents to vaccinate their children.