Study This analyze effectiveness of flipped learning program in increase ability speak English students at the LIA Cibinong Language Institute. Using approach qualitative descriptive , research This adopting the Kirkpatrick evaluation model which includes four aspect : reaction students , learning process , change behavior , and results end program implementation . Data collected through observation , interviews , and documentation , as well as analyzed through stages condensation , presentation , and withdrawal conclusion . Subject study involving head branch , staff academics , instructors , and student from LIA Cibinong and Jalan Baru, with implementation during May to July 2024. Research results show that implementation flipped learning get response positive from students , improve participation active in discussion class and develop skills think critical . Students also reported improvement ability speak English , especially in speaking , listening , and mastery vocabulary . Although challenge like motivation Study independence and limitations technology Still faced , this program proven effective in increase quality learning and skills social students . Evaluation through observation class confirm existence improvement consistent in skills Language students . In addition , this program impact positive on growth business institutions . In conclusion , flipped learning proven as effective and feasible method? developed more continue at the LIA Cibinong Language Institute. Recommendations development covers optimization motivation Study through gamification , enhancement quality material , optimization facilities , as well as training addition for teacher For maximize potential method This .