Offer to go help them study every day after school.
Give him/her your notes for that class and go over them with them.
Talk to them about what she/he could do to get their grades up.
Let them figure it out by themselves. It isn't YOUR buisiness!
Let them talk it out to you, occaisionally giving your opinion.
Talk about the time YOU were bullied...
Slap them in the face. You hate whining.
Give them a pep talk about what to do next time the bullies bully her.
Provide your opinion while walking over there.
Yell: "HEY WHAT'S UP!!!!!!!!!" In their direction.
Casually walk over to them and start talking.
Don't. You just listen to what they're saying from a distance.
Whoever doesn't make a face when you walk by.
Wherever you want. Everyone else will follow you, anyways.
With a small group of close friends.
With the popular people, hoping that you can make some friends.
Plenty! I make friends wherever I go.
A few really close friends, and a few others.
Thats none of your buisiness.