My boo Antwan “Big Boi” Patton joined Keri Hilson in Chicago yesterday (October 21) for the launch of the “Get Schooled” campaign.

Keri? and Big stressed the importance of education to students at Chicago?s Collins Academy High School during Thursday?s Get Schooled National Challenge and Tour.

[Sidebar: Somebody needs to tell Keri to back up off my man! *Whooo-sah!*]

Big Boi told the crowd how he planned on pursuing his education before OutKast blew up.

?Before I started doing music, I was actually planning on going to school to study child psychology, but when I was in eleventh grade we went platinum. I still finished and graduated with honors.

Miss Keri, adorned with her now signature “No Boys Allowed” necklace, hit the stage to perform ?Knock You Down? and offered some key advice to the youth.

?I think the key to making it through high school and life in general is knowing what?s important, attacking that, and executing everything,? said Keri, a former co-captain of her high school basketball team.

More photos + video of Big & Keri spitting knowledge during “Get Schooled” below… (also peep Keri’s “Knock You Down” performance):

FULL PHOTO GALLERY