This study examines the effects of a Contextualized Play-Based Learning (CPBL) intervention on the academic performance of kindergarten learners in Tigman Elementary School, Sipocot North District, during the school year 2023-2024. The intervention incorporated play-based activities that were contextualized to the learners' local environment and culture. Academic performance was assessed before and after the intervention through teacher-made tests on literacy and numeracy skills. Results indicated significant improvements in both areas, confirming that the contextualized play-based intervention positively impacted the academic performance of kindergarten learners.