This article examines the concept of expanding learning time, also known as extended learning time, which involves increasing the duration students spend on educational activities to improve academic performance and reduce learning gaps. It discusses various strategies, such as longer school years, expanded school days, and supplementary programs during school breaks. The article highlights the benefits, including enhanced learning outcomes and reduced achievement gaps, as well as the challenges, such as increased costs and operational changes. It also considers the debate over the effectiveness of extended learning time and the importance of using additional time meaningfully.