Of course, it's worth considering in advance, as these questions require critical thinking and weighing all the "pros" and "cons". But if no time, then you need to listen to yourself. Maybe there is an area in which you feel good. For example, knowledge of a foreign language or physics. Maybe you have creativity or you love sport.
You should answer the following questions: where I was like, what subjects I liked in school, what are my Hobbies? The answers to these questions will help in choosing the profession. It is likely that after graduation you don't go to work, but you will be able to do what you really like. Otherwise, you may want to drop out from the second course.
Based on the answers to previous questions, you need to choose an approximate direction in which you want to develop. Next you need to check with the people who are working in this direction all the nuances. How to find such people? It is very easy, it can be your relatives or friends and friends of friends and so on. It can be those people who are already working in this area. They will be able to tell you about all the pitfalls, and what are the trends and prospects for employment.
Next you need to know which colleges to teach this profession. For this study all the information on the universities, and then make a list. The information that you need, you can find not only in admissions but also in the Dean's office or read on the Internet. It should also communicate to students of these specialties. This can be done through social networks.
Next you need to see a list of the necessary documents for admission and enrollment, the conditions of competition, availability of budget and contract places, as well as the possibilities of transition from contract to the budget. After all information is collected, it is necessary to determine the three highest priority of the universities and submit the documents. It is always better to have a spare, so it is advisable to apply to multiple schools.