New survey data puts support for in-class cellphone bans for middle and high school students at 77% of US adults, up from 74% last year and 68% in 2024. Opposition sits at 18%. Nine points in two years is a fast move for a public opinion question, and the direction is what makes it interesting. Most policy questions with this profile — restricting something a majority of households own and use constantly — tend to soften as people work out how the restriction would affect them personally.