If you are really motivated age should not be a constraint.
You should also be aware that 90% of startups fail.
Education is very important as it opens up your mind. Experience is more important as it will give you idea on how exactly business happens outside of what is described in books.
As young person, the only advantage you have is the drive and energy.
Define how much time you can devote to startup without compromising on the study. Pick the skills, select an adult frontman. Dont let your dream die waiting for the perfect age to arrive.