Long‐Term Effects of School‐Based CBT in Low‐Risk Children and Adolescents: A Bayesian Meta‐Analysis

This study provides the first meta-analytic evidence that universal school-based CBT can produce small but durable, long-term preventive effects in low-risk youth. Although the very low quality of the underlying evidence means the findings are not robust enough to support widespread implementation at this time, they establish a crucial signal of effectiveness. The primary implication is that universal CBT is a promising strategy that warrants significant investment in future high-quality, large-scale trials to confirm its real-world value.