Who knew? Nicole Kidman and Naomi Watts are Australian actresses-in-crime, but the pair were actually close mates while attending North Sydney Girls' High School in their native Down Under.
Get into the back-to-school spirit by checking out other celebrities who brushed shoulders with their industry peers in the hallways, from Cameron Diaz and Snoop to Lady Gaga and Nicky Hilton. And be sure to chime in, in the comments below, on which famous face went to YOUR high school!
Nicole Kidman, Naomi Watts
North Sydney Girls' High School (Sydney, Australia)
Cameron Diaz, Snoop Dogg
Long Beach Polytechnic School (Long Beach, CA.)
Matt Damon, Ben Affleck
Cambridge Ridge and Latin High School (Boston, MA.)
Anderson Cooper, Christian Slater
Dalton School (New York, NY.)
Adele, Jessie J
BRIT School for Performing Arts (London, UK)
Busta Rhymes, Jay-Z
George Westinghouse (Brooklyn, NY.)
Jennifer Aniston, Chaz Bono
Laguardia High School of Performing Arts (New York, NY.)
David Duchovny, John F. Kennedy Jr.
Collegiate School (New York, NY.)
Lady Gaga, Nicky Hilton
Convenant of the Sacred Heart (New York, NY)
Kate Hudson, Liv Tyler
Crossroads School (Santa Monica, CA.)
Rachael Leigh Cook, Josh Hartnett
Minneapolis South High School (Minneapolis, MN.)
Neil Patrick Harris, Freddie Prinze Jr.
La Cueva High School (Albuquerque, NM.)
Sean Penn, Robert Downey Jr.
Santa Monica High School (Santa Monica, CA.)
Tupac Shakur, Jada Pinkett Smith
Baltimore School of the Arts (Baltimore, MD.)
Zach Braff, Lauryn Hill
Columbia High School (Maplewood, NJ.)