STEM education has become vital to equip the next-generation knowledge workers for Industry 4.0 world. STEM education refers to a curriculum based on the teaching of science, technology, engineering and mathematics, aiming to prepare students with critical thinking, collaboration, communication, and creative thinking (4C) abilities. STEM education and its associated industry market have tremendously grown in the past decade. Developing knowledge management skills and understandings are equally critical in equipping lifelong knowledge workers. The knowledge, skills, attitudes, and abilities to identify, search, analyse, apply and disseminate information and media products are essential. However, knowledge management-related education programs, curricula or frameworks for K-12 education still need to be made available. This article examines the common characteristics of STEM and KM education, investigates the current practice of KM in STEM education in Hong Kong, and proposes a STEM curriculum with KM learning elements for K-12 education.