Other Districts
California districts, including one in Marin, already moving on this.
Tam Union (Marin County)
Board voted 3–2, April 2026, to move from class-by-class rules to full bell-to-bell using NuKase lockable cases, starting fall 2026.
Oakland Unified
Full bell-to-bell since August 2026. Elementary uses classroom lockboxes; middle/high use Yondr pouches.
Davis Joint Unified
"Away for the Day" for elementary and junior high (now including lunch); high schools moving to full device removal for 2026-27.
National precedent
Outside California, districts that already made the switch.
Large urban Florida district
Bell-to-bell ban; test scores rose significantly in year two, most among schools with the highest prior phone use.
Dothan Preparatory Academy (Alabama)
Full-day phone lockboxes; behavioral referrals down about 20% and summer-school referrals down four-fold.
Bentonville Schools (Arkansas)
Full-day Yondr pouches; a 57% drop in verbal/physical aggression offenses and 86% of teachers saw better student engagement.
Richardson ISD (Texas)
Yondr pouches districtwide; suspensions down 15–54% on some campuses, and 98% of teachers reported fewer disciplinary issues.
New York City (1,600 schools)
Bell-to-bell under New York's 2025 statewide law; a state survey of 585 educators found 76% saw better classroom behavior and 76% more engagement.
Other bans just underway — too new yet for results.
- Los Angeles Unified — Feb. 2025
- Denver Public Schools — 2026–27; one of five bell-to-bell districts among Colorado's 20 largest
- Orange County Public Schools, FL — 2026
- Kansas districts, including Wichita and Geary County — July 2026, under the new statewide law