The iconic duo dresses as another iconic duo, Mario and Luigi.

Although this trio was too nervous to enter into the junior group costume contest, their coordinated “men in black” outfits were definitely deserving of applause

Jack Morgan, winner of the 12th grade individual costume contest, gets the crowd laughing with his clever “ghost of Queen Elizabeth” costume.

A (not-so) classic trio of Elsa and the Frosted Flakes tiger (x2) go about their day in the Upper School while showing their commitment to Halloween traditions.

EJ wears Georgetown basketball player Allen Iverson’s jersey, who he says is his hero (“besides Tom Brady”).

Dressed as Nelly, Donovan sports y2k staples with an oversized white tee and baggy jeans.

Among the many spirited faculty members who participated, Mr. Davis dressed as “Fantasia from Mickey Mouse”.

Monica pulls off Soulja Boy’s look with a graphic tee and his signature shades.