Background: The progress of a region is greatly influenced by the quality of its human resources (HR). This isinseparable from the level of knowledge of the community as human resources in an area that must be fostered fromanearly age. Methods: Additional lessons are given to elementary school students of MIM 03 and MI Al-Huda. Data collectionusedaknowledge questionnaire to evaluate the knowledge before and after the implementation of all additional learning sessionswhich were carried out 8 times within 4 weeks. The subject of this study were 19 elementary school childreninPucakwangi Village, Lamongan. Results: The results showed an increase in the results of the knowledge questionnaire on the post test. Conclusion: This study concludes that additional lessons have a positive impact on subject knowledge, and a sustainableprogram is needed to maintain or even increase knowledge levels and quality of human resources.