Four years. According to official website's inquiry, Mochou Secondary Vocational School and Mochou Secondary Vocational School's comprehensive high school system are four years, and the curriculum is mainly the professional knowledge and skills courses of ordinary high schools and vocational education. Nanjing Mochou Secondary Vocational School is located in Hexi New Town, Nanjing. It is a full-time national key vocational school, a national green school, a four-star secondary vocational school in Jiangsu Province, a high-level demonstration secondary vocational school in Jiangsu Province, a demonstration school in Jiangsu Province, an advanced school in moral education in Jiangsu Province, an advanced collective in teaching and scientific research in Jiangsu Province, and an advanced unit in skill competition in Jiangsu Province.