1) The document presents evidence from a study in Japan on developing resilience in students through classroom-based interventions. 2) The study involved delivering a 12-lesson program called SPARK to students ages 11+ across two grades to teach resilience, post-traumatic growth, cognitive behavioral therapy and positive psychology skills. 3) Results found that the intervention significantly increased students' overall resilience and had differential benefits based on students' developmental stages, with less resilient individuals showing greater gains. Student feedback also indicated the program helped them understand themselves and situations better.