The lowest college degree between high school diploma and B.S.
They usually attend a university for two years.
There is an Associate's Degree in the US.
In some Australian Unis, you can get a Certificate after 1 year, a Diploma after 2, and the Bachelor's degree after three.
After that, you have Post-Grad Certificates, P/G Diplomas and Masters.
We also have Foundation Degrees in the UK.