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Principals report improved engagement, lower incidents after Yonder phone pilot; district to craft policy by July

Mount Diablo Unified School District Board of Education · January 15, 2026
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Northgate and College Park principals presented results from a multi‑school pilot of Yonder phone pouches, reporting reduced some discipline incidents and reported GPA gains ("average GPA rose from 3.557 to 3.79") while cautioning that correlation is not causation; trustees asked for comparability data and the district noted a July deadline for a cell‑phone policy under California law.

Principals from Northgate and College Park high schools told the Mount Diablo Unified board on Jan. 14 that a district pilot of Yonder — a system to manage student cell phones during the school day — has improved classroom focus and out‑of‑class social interaction while producing mixed tradeoffs.

Kelly Cooper, Northgate principal, and Dr. Ronnie Richardson, College Park principal, said the program began with classroom‑level trials ("phone spas") and moved to schoolwide implementation in some schools. Cooper described greater student engagement and fewer teacher‑student power…

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