The US flag appears in film Bridge to Terabithia 2007. It appears in several fashions. You can see on one of the history broadsides in the classroom.
A table top US flag appears on the teachers desk, next to the globe. Here the star of the movie Leslie Burke appears on her first day of school. In a way changing schools is like a jumping across the universe into another dimension, whereby bonds are broken and new ones are formed. Anyone who has changed school districts knows what this transdimensional feeling feels like.