DECA is an international organization that prepares high school and college students for careers in marketing, finance, hospitality, and management. Founded in 1946, it provides students with opportunities to develop leadership skills, engage in competitive events, and participate in community service projects. Members of DECA can compete in various events that simulate real-world business scenarios, allowing them to apply their classroom knowledge in practical situations. The organization also offers networking opportunities, scholarships, and resources to help students succeed in their future careers.