2.3.1. Randomization and sampling procedures
Gorodola and Wadara districts were selected from among the seven districts available in the East Guji zone. These districts were selected because both of them were part of a trial study aimed at enhancing adolescents' SRH life skills. The high schools within selected districts served as the cluster randomization units, and individual randomization was conducted among all high school sections. The sample size was randomly distributed between the intervention and control arm clusters in a 1:1 proportion (