I'm thinking of writing racial slurs in my school bathrooms
Why would you ever decide to write racial slurs in your school bathrooms?
I'm thinking about writing them in the girls' toilets.
Writing racial slurs on the walls of a public bathroom is not only vandalism and wrong, but also promotes hate. You should not use racial slurs as they are offensive and hurtful to others. Rather than entertaining yourself through vandalism and racism, work on more constructive uses of your time so you do not feel the need to lash out at others.
I'm white, I can get away with it.
Whether you are white or not, nobody should use slurs when referring to a race of people. All people are equal no matter where they come from, what they look like, and what race they are.