Phone bans block AI literacy

Schools increasingly teach with AI, but banning smartphones removes the most accessible on‑ramp for hands‑on AI use. The post argues that while bans may modestly lift average grades, they can harm top‑tail learning, isolate vulnerable students, and prevent practical AI instruction that requires devices in hand. — It reframes phone‑ban policy as a trade‑off between small average gains and foregone AI competence, a skill with growing economic and civic importance.