Classroom Behavior as Mental‑Health Signal

Teachers’ routine observations—declines in hand‑raising, reluctance to disagree, avoidance of social greetings, rise in phone‑driven silence, and repeated re‑teaching—can be standardized into a rapid school‑level index to detect emergent cohort mental‑health shifts. Systematic collection of these simple classroom metrics (participation rate, disagreement tolerance, phone retrieval silence, short‑term retention failures) would give districts an early warning system that complements surveys and clinical counts. — If operationalized, a teacher‑reported classroom index would let policymakers and districts track mental‑health trends in real time, target interventions (counseling, screen‑time programs, pedagogy changes), and create better evidence to shape platform and education policy.