The A-Level curriculum was officially introduced in the UK in 1951. Regarded as a "gold standard" education and a "gold standard" for university admissions worldwide, the A-Level is often referred to by Chinese students as the "foreign college entrance exam." Students only need to choose 3-4 subjects to study for university applications. For Chinese students going to study in the UK during high school, especially those in their second year or earlier, with above-average grades in China, A-Level is the best course choice. Most British secondary schools offer a wide range of A-Level subjects, with grades graded as A, B, C, D, E, and U, where A is the highest, E is a pass, and U is a fail. Students can retake a subject if they are not satisfied with their grade, and the best result will be used. Students who achieve passing grades can apply to universities in the UK or abroad.