The goal of this clinical trial is to learn if a multilevel blended educational intervention based on Social Cognitive Theory (SCT) can increase fruit and vegetable (F\&V) consumption among female students. The main questions it aims to answer are: * Does an SCT-based educational program increase the daily amount of fruit and vegetable intake among adolescent girls? * Does the intervention improve key cognitive-social constructs such as self-efficacy, self-regulation, knowledge, behavioral skills, and social support related to healthy eating? Researchers will compare students in the intervention group who receive seven 60-minute blended sessions (including face-to-face and WhatsApp-based education) tailored according to SCT constructs to a control group receiving no intervention. Participants will: * Attend scheduled educational sessions covering nutrition knowledge, skill-building (e.g., meal preparation with F\&V), and behavior change strategies. * Participate in activities designed to enhance self-efficacy, observational learning, and social support for healthy eating. * Complete validated questionnaires assessing F\&V intake and SCT-related cognitive-social constructs before and two months after the intervention. This study evaluates whether integrating theory-driven, multilevel interventions in schools is effective in promoting healthier dietary habits among adolescent girls, especially in a resource-constrained setting.
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Change in Daily Fruit and Vegetable (F&V) Consumption
Timeframe: Baseline (pre-intervention) and 2 months post-intervention.