It is rude to be dismissive of someone else's dreams.
Brenda is a high school athlete.
Brenda wants to get a college scholarship.
Brenda and Kay both agree to train together to try to get the scholarship.
Brenda makes up a rumor about a girl she's competing with for the scholarship after the girl said her goal was to get to the olympics.
Brenda gets the scholarship, and she and Kay both get into the school of their choice and remain friends.
The girls is so humiliated she doesn't go to tryouts and misses the scholarship, but Brenda gets it.