The present research work was carried out at the I.E. Experimental -UNAP was carried out at the Experimental School -UNAP, with the objective of determining the impact of a nutritional educational the impact of a nutritional educational intervention on parents' dietary knowledge, eating habits and nutritional nutritional status of elementary school children. The The study had a quantitative, quasi-experimental approach, with a pretest and post-test design, with a pretest and post-test design, with an experimental group and a control group. The data collection was longitudinal. The sample consisted of 91 students in the experimental group and 84 students in the control group. The instruments used were the food knowledge questionnaire, food consumption frequency questionnaire, and a nutritional evaluation card. The Chi-square test was used to test the research hypothesis. The results repor...