In the book it is quite clear that they don't, Jem more so than Scout. In the movie it is never really brought up, but it is made clear to the audience that Dill makes his stories up.
Jem is in the sixth grade and Scout is in the first grade at the beginning of the novel "To Kill a Mockingbird" by Harper Lee.
Jem and Dill reassure Scout that they are just going for a walk to the Radley Place out of curiosity. They explain that there is no harm in exploring and that they will not bother anyone. Scout eventually decides to join them on their adventure.
because atticus already warned them about bothering the radleys. and scout is scared that boo will come out and attack the kids if he notices. scout is being "A girl" as jem puts it.
They believe that boo is a killer and will kill anyone that knocks on his door.
Dill, Scout, and Jem frequently like to play the "Boo Radley" game, where they reenact stories and legends about their reclusive neighbor, Boo Radley.
Jem decides to sneak out with Scout and Dill to find Atticus. Jem is Scout's brother in To Kill A Mockingbird.
Jem calls Scout, Scout... Scout is the nickname. Scout's real name is Jean Louise Finch
Scout is entering 3rd grade while Jem is going into 7th grade. Jem and Scout are two of the characters in the novel, To Kill a Mockingbird.
Jem and Scout got in a fist fight , not Atticus and Scout.
Jem walked scout to the pageant at her school
In Chapter 16, Jem is around 12 years old and Scout is around 9 years old.
In To Kill a Mockingbird what secret does Jem reveal to Scout?