A new study has revealed just how much time kids spend on their phones during the school day, and it lends some credence to Gov. Kathy Hochul's call for a cellphone ban​.

The legislation Hochul is proposing is both direct and vague: It requires school districts to implement a school-wide, full-day ban on cell phones but gives them control over how to do it.

Cutting down on kids' screen time is popular among many Long Island educators and parents. But some said the state should let school districts set their own policies.

The findings lend some credence to Gov. Kathy Hochul's call for a school cellphone ban in New York. CBS News New York's Carolyn Gusoff reports.