About 1,200 Savannah-Chatham County students get to celebrate Georgia’s birthday and learn about the state’s 292-year history at the annual Georgia Day Expo.

Measles cases are rising in the U.S. with infections confirmed in at least five states this year, and primarily spreading among unvaccinated people.

School officials said the one-time opportunity to opt out will prevent loss of district revenue and local control over millage rates.