Study the International Baccalaureate Diploma | UK The International Baccalaureate Diploma, known as the IB, is a globally-recognised qualification that challenges, encourages and inspires you to become a creative problem-solver and lifelong independent thinker ready for university study and an international career. An excellent breadth and depth of knowledge physically, intellectually, emotionally and ethically their language skills through the study of languages their knowledge of traditional academic subjects explore the nature of knowledge through the programme’s unique Theory of Knowledge course.