Student peer communities at schools can be determinants of changes in students behavior at schools.Peer communities need to be prepared through training to improve their motivation, knowledge, attitudes, and readiness at schools.This study analyzed the effectivity of training the community readiness to improve the level of school readiness and its impact to female highschool students anaemia status and adherence to consume weekly iron folic acid supplementation (WIFAS) in Depok. This study used a cluster randomized trial study design.The ANTI ANEMIA SQUAD as much as 24 students from 6 sample schools was given training on anemia prevention programmes for female adolescent.The average age of Anti Anemia Squad members was 16.2 years and they were female. After training there were significant differences between before and after Anti Anemia Squad’s knowledge score (ẋpre= 11,12±1,963; ẋpost = 18,29±2,956; p = 0,000). The number of respondents were 416 students from 6 intervention groups and 5 control groups. After training there were differences in school readiness score to implement WIFAS, Vitamin C intake, Vitamin A intake, tea and coffe consumption  and highschool females adherence to consume WIFAS and Hb levels between highschool girl student of sample schools and control schools (p=0,000; p= 0,005; p=0,018;p=0,001;p=0,000 p=0,008; p=0,005).There were no differences between knowledge scores and attitudes on anemia, iron intake, milk  and heartburn medication consumptions in both sample and control schools (p= 0,282;p=0,662;p=0,274;p=0,124;p=0,052).Peer communities are effective to improve school readiness to implement WIFAS which impact to female students’ adherence to consume WIFAS