SACRAMENTO, Calif. -- School districts in California will have to create rules restricting student smartphone use under a new law Democratic Gov. Gavin Newsom signed Monday.

The legislation makes California the latest state to try to curb student phone access in an effort to minimize distractions in the classroom and address the mental health impacts of social media on children. Florida, Louisiana, Indiana and several other states have passed laws aimed at restricting student phone use at school. “This new law will help students focus on academics, social development, and the world in front of them, not their screens, when they’re in school," Newsom said in a statement.

But some critics of phone restriction policies say the burden should not fall on teachers to enforce them. Others worry the rules will make it harder for students to seek help if there is an emergency or argue that decisions on phone bans should be left up to individual districts or schools. “We support those districts that have already acted independently to implement restrictions because, after a review of the needs of their stakeholders, they determined that made the most sense for their communities with regards to safety, school culture and academic achievement,” said Troy Flint, a spokesperson for the California School Boards Association.

“We simply oppose the mandate.” The law requires districts to pass rules by July 1, 2026, to limit or ban students from using smartphones on campus or while .