Have you ever heard of the classes run by the school? Courses in major educational institutions are very popular in schools. In addition, there are several powerful teachers running classes in the school, which have a good reputation. You can ask around.

In addition, personally, if you can find a good job, you should look for a job first, unless you are interested in a certain subject and want to study it in depth. Isn't graduate school just to find a good job? You can get employment early and have work experience. But if you want to have a high degree, graduate students are still worth taking the exam. Finally, it's up to you.