He began getting into fights at school, and his grades dropped.

So when your grades dropped, that's what they said.

MY daughter's grades are dropping and she is hanging around with the wrong crowd.

Soon, his grades dropped drastically, and he almost failed junior high school.

He had been dragging around the house, doing nothing, and his grades were dropping.

Her grades had dropped to C's but seemed to have levelled off.

And the grades of black students drop slightly in relative terms from the first year of law school to the third.

I used to get straight A's, and then my grades dropped.

His grades dropped, and before long he stopped handing in homework altogether.

Another shock was the amount of work required, and the fact that their grades dropped, at least initially.