This study aimed to determine the pupils level of capacities on solid waste management as to knowledge and attitude, pupils level of Implementation of Solid Waste Management in terms of Segragation, Waste reduction, Waste recycling and ReUse and Waste Disposal and find the relationship between pupils capacities and level of implementation of solid waste management. It was conducted at Gusa Elementary School of Cagayan de Oro City Division among the pupil-respondents (n=324) based on the Slovins Formula computation. This study used researcher-made questionnaire that measures the pupils capacities and level of implementation of solid waste management. The study used the statistical treatment of Mean, Standard Deviation, and Pearson product moment correlation coefficient (Pearson r) to answer the statements of the problems. Results revealed that pupils capacities and implementation on Solid Waste Management (SWM) are at Positive level. It has a significant relationship. Pupils have high positive level on knowledge capacity and Waste Reduction on the implementation of SWM. School community including stakeholders are encouraged to continue to employ practices policies and provide appropriate materials, that would encourage everyone to segregate, recycle and reuse.