Zero.
No.
The cast of Simpsons Bowling - 1999 includes: Yeardley Smith as Lisa Simpson
The cast of The Presidents - 2003 includes: William Whitefield as Billy Carter
There is no statistical data to show how many 'kids' vs 'adults' watch The Simpsons.
Many of the U.S. presidents did attend public school. Johnson, Carter, Reagan, Nixon, Clinton, and Eisenhower were some of the presidents that received educations from a public schools.
According to Simpsons Wiki, In 25 Seasons, she's appeared in 56 episodes
Yes, Johnny Depp appeared in an episode of the Simpsons :)
No.
there are 5 member's in the simpsons there are 5 member's in the simpsons
All of the presidents from Truman on have been seen on TV. That would be 12 in number. FDR also appeared on an experimental TV broadcast.
there is one simpsons movie
Bart has appeared on American Dad, The Cleveland Show & South Park.Homer has appeared on Family Guy multiple times.Marge has appeared on Family Guy.The entire Simpsons family appeared on Family Guy's The Simpsons Guy.Jeff Albertson (Comic Book Guy) appeared on The Cleveland Show.There might be more, but those are the only ones I can come up with.
As of 2012, there is just one Simpsons movie: The Simpsons Movie (2007).
Lionel Huts was the Springfield attorney who first appeared in the second season of the TV series The Simpsons. He was incompetent and always looking for a new case.
They appeared on The Simpsons Movie.
The Psychology of The Simpsons has 240 pages.
...None. Other people in the simpsons has them but not in the family.