2. There is no fixed number of years. Generally, Buddhist colleges only recruit family members, but there are also a few, such as Buddhist colleges in Henan. You don't have to be a monk after graduation, you volunteer.
3. After finishing Buddhist college, you can remain secular and have no fixed number of years.
4. In addition, the entrance examination is not unified with the national college enrollment, but independent enrollment, and the admission time of Buddhist colleges is also very different. It depends on the information published in Buddhist publications or online.