Where The Hell Is Quinn?.

"Quinn, I think you should probably run and hide very well, make sure that I would never be able to find you. Because when I do, nothing is ever going to stop me from letting everyone know about you and….." 

The mic suddenly grabbed away from Wren by Quinn's mom wasn't surprising to her, it seems like the mother already knows of her daughter's dirty little secret and is trying to save her from shame.

"I think that's enough now, Wren" Principal Young rushed, grabbing the mic away from Wren, preventing her from finishing whatever announcement she planned, on observing the way her daughter ran out of the hall in the presence of everyone. 

She has no idea what Wren wanted to end her sentence with, but the one thing she knew is that whatever Wren planned to say wasn't going to be good for Quinn. The way she ran out of the hall wasn't a good sign at all.