There are both Tanggu and the city, Tianjin Seafarers School (diagonally opposite the foreign goods market), Tianjin Maritime College, Tianjin University of Technology Maritime College and so on. You need to have at least 2 years' technical secondary school education in navigation to take the third grade exam. If you want to be the first mate, you need a junior college degree in navigation. If you have a junior high school education, you can study in a secondary school for 4 years, and you can do correspondence with a junior college education during your school years.