Colombage, L.U.Abeywickrama,K.R.W. K.H.2026-01-092025-10-10978-624-6010-15-72783 – 8862https://rda.sliit.lk/handle/123456789/4489Given the growing use of technology in education, it is essential to comprehend how Technological Pedagogical Content Knowledge (TPACK) contributes to teachers’ successful learning. This study investigates how the TPACK of secondary-level English as a Second Language (ESL) teachers affects the performance of ESL students byanalysing data gathered from secondary-level ESL teachers in seven schools in the Colombo District using a mixed method approach.enEngagementMotivationPerformanceSecondary LevelThe Effect of TPACK on ESL Learners' Performance: An Investigation of Teacher Competency in Technology Integration in the Colombo DistrictArticlehttps://doi.org/10.54389/CYUW1057