
did this as our science fair
projects in ninth GRADE.
The Big Bang Theory Season 11, Episode 13

Sixth GRADE. But I wore a sport coat
and carried a brief case so...
The Big Bang Theory Season 9, Episode 15

It's above
your pay GRADE.
Westworld Season 2, Episode 7

I didn't want you ending up
with a bad GRADE and get discouraged...
The Big Bang Theory Season 6, Episode 6

...when I won the Earth Science medal
in third GRADE.
The Big Bang Theory Season 2, Episode 23