“…Bradshaw () suggests applying a tiered approach to bullying, which might include delivering classroom lessons about bullying to all students (Tier 1), intervening with small groups of students who are at high‐risk for bullying involvement (Tier 2), and finally, providing interventions for students identified as targets or perpetrators (Tier 3). Although the STAC intervention was originally designed to be implemented with student leaders, researchers have demonstrated the effectiveness of school‐wide implementation of the STAC program in reducing bullying perpetration (Midgett, Doumas, & Johnston, ; Midgett, Doumas, Trull, & Johnson, ) and victimization (Midgett, Doumas, & Johnston, ). Additionally, the STAC program has been successfully used to reduce bullying among students who had a history of occasionally bullying (Midgett, Doumas, Trull, & Johnson, ).…”