A few days before Valentine's Day, Puck teaches Kurt the meaning of flowers and reveals something in the process."It's a Gardenia and um...Wikipedia says it means I'm secretly in love with you." -Season 3, Oneshot
What if all the demi-gods transfered into Goode High? The answer is complete danger, craziness. What if an old enemy or two of Percy got transfered there too? That would just add to the mayhem, wouldn't it?