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School rule: Students lock up cellphones for study time - Newsday
School District of Philadelphia considers adding more 'phone-free' classrooms by buying Yondr pouches
Schools — Yondr
Teenage hangups: the drastic plans to keep high schoolers off their phones, Schools
The Surprisingly Low-Tech Way Schools Are Keeping Students Off Tech
Teenage hangups: the drastic plans to keep high schoolers off their phones, Schools
Schools — Yondr
Schools — Yondr
The $15 gadget that's eliminating cell phone use at schools and concerts
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