There are 5 ways to discern (decide) on your college course:
1. Think of the jobs you really want to do for life. (regardless of the money)
2. Think of the activities you love doing for the community.
3. Forecast what your country's next booming job for the next 4-5 years. (and earn big)
4. Pray to God for assistance.
5. Go and take an online career aptitude test.