A large study on classroom phone bans reports effects that are close to zero on test scores across many schools, with only small or mixed impacts by grade level. The findings complicate the rationale behind increasingly widespread device restrictions in K-12, even as many districts continue to spend heavily on enforcement tools like phone pouches. The research drew on data from 4,600 schools and analyzed outcomes tied to bans, including bullying, attendance, and self-reported attention. Results indicated that bans did not produce broad academic improvements, with the clearest signal described as slightly positive effects in high schools and slightly negative effects in middle schools. The report also noted that student achievement declines have continued even as phone bans have grown, with high school math and reading scores still trending to historic lows. Researchers and educators pointed to the possibility that other screen-based devices may have increased even as phones were removed. For higher education stakeholders supporting teacher preparation and educational research partnerships, the results offer a cautionary lens: policy interventions designed to reduce distraction may not deliver the expected learning gains without a broader strategy for classroom technology and instructional time.