OBESSU | Brussels is the Organising Bureau of European School Student Unions, dedicated to representing the voice of school students across Europe. With a history dating back to 1975, OBESSU is committed to defending the rights of students and ensuring their active participation in decision-making processes. As a brand, OBESSU offers a range of products and services to support its mission.

They provide advocacy projects, campaigns, and policy initiatives aimed at promoting the interests and well-being of students. With a focus on democratic participation, OBESSU organizes various events, including study sessions and conferences, that encourage the active engagement of youth. To further their goals, OBESSU offers a wealth of resources, including publications, documents, and tools that promote inclusive and equitable practices in education.

They also provide job opportunities and networks for students, as well as a membership platform for interested individuals and organizations. OBESSU's work is supported by the European Commission's Erasmus+ Programme and the Council of Europe's European Youth Foundation, ensuring the organization's credibility and impact. By championing the rights of school students, OBESSU aims to create a more inclusive and empowering educational environment for young people in Europe