no no one has
yes, i saw two shows where a man and a woman both got the bonus question.
no
yes
www.fox.com/areyousmarter
Yes actually there was that school superintendent from Georgia a couple of years back, who was indeed smarter than a 5th grader, but everyone knows what happened to her, she lost it all, including her dignity and self worth in that housing bust.
No, ducks are not smarter than most fifth-graders.
yes
Yes
In the game
Yes
Are you smarter than a fifth grader? 'Cause there's gonna be a test later. Teacher teacher now we're back in school, are you smarter than you used to be? Are you smarter than a fifth grader? Grab a pencil and a piece of paper. Teacher teacher now we're back in school, so are you smart enough for the fifth grade? Only Lyrics
www.iwin.com casualkeystrokes.com/quiz-are-you-smarter-than-a-5th-graderwww.games.com/game/are-you-smarter-than-a-5th-grader/ these are sum of the many sites
because the show is "Are You Smarter Than A Fifth Grader?". Any grade higher wouldn't go with the name.