Objective: To verify the relative validity of 24-hour Dietary Recall (R24h) as an assessment tool of schoolchildren´s food intake. Methods: A cross-sectional study of 41 students of a big Brazilian urban center, with a mean age of 0.25–8.35 years and 22% had excess weight. The R24h was applied a day after direct observation of intake (reference method). Weight and height were measured and the participants were...