Abstract: Physics is key in STEM and plays a major role in National development yet its performance and enrollment in schools has not been impressive. This paper is based on a study to determine the use of Learner- Centered Instruction in the enhancement of Performance in Physics among students in Kenya. The study deployed Descriptive survey design. The study subjects were Form Three Physics Teachers and students in Migori County. A total of One Hundred and ninety two (192) students and twenty (20) teachers across twelve (12) schools in the county undertook the study.