Apply moisturizer after you wash your face to keep your skin soft. Then, use an eyelash curler to make your eyes stand out more. You could also apply a clear or lightly tinted lip balm to add a hint of color to your lips.
Don't worry about them. If it's really bad and making you very uncomfortable at school, you could change schools, but I personally think that the best way is to ignore...
Just be yourself. If you're allowed to wear a little lip gloss, do that. If not, don't worry about it. Just focus on your hair and your outfit and on...