I hope you love education as much as I do ...

Primary school grades 1-6
Middle school grades 7-8
High school grades 9-12
BS degree about 4 years
at this point you are employable but you might want to continue with ...
Masters degree about 1.5 years (optional as you can go directly to a PhD which is what I'd advise)
Doctorate about 2.5 years

And likely you will be challenged by and enjoy almost every minute of it.

DA Morgan