Purpose: Anemia remains a major public health concern among vulnerable rural adolescent girls in many countries, including India. This study aimed to assess the prevalence of anemia, nutritional status, and anemia-related knowledge, attitudes, and practices (KAP) among school-going rural adolescent girls, along with predictors of KAP score, complemented by stakeholder perspectives. Methods: A mixed-methods cross-sectional study was conducted among 553 school-going adolescent girls aged 14–19, se