Healthy eating is a key determinant of physical, mental, and social well-being, particularly during adolescence, when dietary habits become consolidated and strongly influence cognitive and academic development. This study aimed to evaluate the knowledge, attitudes, and dietary practices of students in the fourth and fifth grades at the Emblematic Boys’ School “Daniel Hernández”, located in Pampas, Huancavelica (Peru), and to propose strategies to promote healthy eating within the school context. The research followed a quantitative, non-experimental, descriptive–comparative design. Pre- and post-surveys were administered to 111 students to diagnose their level of nutritional awareness and identify the main factors influencing their eating behaviors. Results showed that 38.39% of participants demonstrated adequate knowledge about healthy eating, whereas 29.46% exhibited limited ...