Mark Twain IS inaugurates its co-curricular program with over 20 courses and clubs coordinated by specialist teachers and instructors, stimulating students to broaden their knowledge of academics, arts and sports: theater, singing, percussion, guitar, recorder, choir, ballet, ballroom dancing, aerobics, aikido, soccer, basketball, swimming, ping-pong, journalism, chess, pottery, international languages (Spanish, German, French), advanced math and IT, photography, study skills etc.