Schools with low admission rate in Hong Kong include The Open University, Shu Ren University and Zhuhai College. Require more than two grades. In fact, if you want to get admission, you need to be close to at least one line to have hope. There are few enrollment, and these schools generally have only twenty or thirty enrollment plans for the mainland. Better are Polytechnic University, City University, Baptist University and Lingnan University. You need to have grades, generally 60 to 70 points higher to have a chance. The best three giants, HKU, CUHK and HKUST, are even more difficult than Tsinghua, so I won't go into details.