Each semester, the International Education School organizes language-teaching classes at elementary-1, elementary-2, intermediate-1, intermediate-2 and advanced-1, advanced-2 levels. Students are to be placed in classes that suit them best by taking a proficiency test. A class is usually composed of 15-20 students. The spring semester usually starts from late February and the autumn semester from early or middle September. A semester usually consists of 18 weeks with 20 class hours of language courses per week. Electives are offered for students to choose from one to two courses according to the students’ interest and Chinese capacity, such as Chinese calligraphy. Field trips are arranged once or twice each semester.