The Learning Resource Management and Development System (LRMDS) is a portal for teachers to get free online instructional materials. Teachers in Talakag I District, Division of Bukidnon, enhance the new skills for effective utilization of such teaching-learning portals. The study examines respondents characteristics, attitudes, and utilization of the Learning Resource Management Development System (LRMDS) based on accessing its website, selecting the K to12 Curriculum focused on learning, downloading resources, and sharing them, revealing a significant impact with two hundred (200) public elementary school teachers participated in the study. The study revealed that respondents attitudes towards the Learning Resource Management and Development System significantly influence their use of the portal, despite factors like age, sex, and teaching experience. It is recommended that school administrators work toward district/school-wide training on LRMDS utilization to improve its use in all public schools of Talakag I District. Teachers should actively engage and participate in more training sessions and workshops, especially regarding the utilization of downloaded resources as teaching-learning materials.