well the benefits are

• it is international…. so when you apply to different universities around the world they will know what IB is. 
• if you don’t know what you want to do in your life it allows you to explore a lot of different subjects
• it allows universities to know that your marks are the result of your own work and not the result of teachers’ easy grading or too-simplistic curriculum.
•  teaches you how to think about and analyse what you are learning, rather than simply memorising and regurgitating facts
• it gives you discipline 
• it gets you ready for university because of the workload. 
• you learn a lot, in 2 years, with lots of details. 
• it teachers you to questions things 
• Weighted Grades 
• College Credit