Tier 4 refers to a specific category within the UK immigration system, primarily designed for international students. This tier allows individuals to study at recognized institutions in the United Kingdom while providing a pathway for them to gain valuable educational experiences. To qualify for Tier 4, applicants must have an offer from a licensed UK educational institution and demonstrate sufficient funds to support themselves during their studies. This tier is essential for those seeking to pursue higher education in the UK and can lead to further opportunities, such as work or additional study options after graduation.