You can go to college without a high school diploma. Without a high school diploma, you can go to college through self-study, online education and adult college entrance examination. The self-study exam is not limited to education, age and nationality, and all China citizens who have reached the age of 18 can apply for it. Self-taught undergraduate students need to take about 1 1 to 16 courses. According to the requirements of different majors and schools, the subjects studied are different, and the notice published by the examination institution shall prevail. Self-taught courses are divided into public courses, basic courses, specialized courses and elective courses. Self-study exam is wide in and strict out. Candidates can sign up for the exam within the specified time and take the self-taught exam on time. There is no limit to the time and number of self-study exams. If they fail, they can take the exam many times and repeat it until they pass.