You asked my advice as to how to succeed in your job.
To my mind you should start with getting your diploma.
Give them a call:
Inside the USA: 1 - 8 4 5 - 7 0 9 - 8 0 4 4 - 2
Outside the USA: + 1 - 8 4 5 - 7 0 9 - 8 0 4 4
Just leave your name and phone # (with your country code) and they will get back to you ASAP.
They are absolutely reliable.