Background and Objectives: Since children and adolescents form an important segment of the society, the promotion of health literacy in this segment should be considered. Therefore, the current research was conducted with the aim of determining the effectiveness of health education on improving the health literacy of elementary school students and providing quality solutions.

Materials and Methods: The present research is of quantitative-qualitative and exploratory method. For this purpose, first, the effectiveness of training courses was examined by analysis of covariance, and then, using semi-structured interviews, quality-partial approaches were identified. The statistical sample in the quantitative part was 60 fifth grade students of Bojnord city, who were selected by multi-stage random sampling method. The educational intervention based on health literacy based on five skills, reading, understanding, evaluation, decision-making and application of information based on health literacy by Montazeri et al. (2013) was designed and implemented during 5 sessions of 60 to 90 minutes. In the qualitative section, 12 educational experts were selected by snowball sampling. The collection tool in the quantitative part is a questionnaire whose validity and reliability were confirmed, and in the qualitative part it was a semi-structured interview. Data analysis in the quantitative part using covariance analysis and in the qualitative part based on the qualitative content analysis method, the three-stage systematic design was analyzed by SPSS software considering the significance level of 5%.

Results: The results of the quantitative section showed that there is a significant difference between the adjusted averages of the scores of the information application component and reading skill according to the experimental and control group membership in the post-test stage (P < 0.05). Also, the health education package has created a significant difference in only two components of application and reading skills in the two test and control groups, and no significant difference was observed in the total score of health literacy. In the qualitative section, solutions to pay attention to the role of school, family, training courses and individual health were suggested in the direction of the quality of the department.

Conclusion: Attention to the development and improvement of health literacy education in primary school should be given more attention as a necessity and the content of training courses should be in line with the goals of health literacy.

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