I've known and worked with many very successful artists in the fine and commercial art fields. They all possessed several interesting attributes which probably was the reason they were successful.
As an artist, especially in the fine arts, no one is going to force you to draw, paint or sculpt, you must be self-motivated. Do art every day, it must become a big part of your life. If you wanted to be a pianist, you certainly would practice every day.
In art school you can learn about drawing, color, design and composition. You're on your own when it comes to enthusiasm, energy, ideas and creativity.
Other interesting attributes are: