
Graduate schools should do a better job
of screening those people out.
The Big Bang Theory Season 2, Episode 2

You may have gone to Cambridge,
but I am an honorary GRADUATE...
The Big Bang Theory Season 4, Episode 21

Not bad.
I myself started GRADUATE school at 14.
The Big Bang Theory Season 1, Episode 12

...as a lowly GRADUATE student.
The Big Bang Theory Season 2, Episode 6

- Graduate work, very impressive.
- And he's only 15 years old.
The Big Bang Theory Season 1, Episode 12