There are many ways to do good deeds for others. It could be as simple as picking up a pencil that a classmate dropped and giving it back to that person. Another way is if you see someone you know who is sad, try to cheer that person up. When it comes to your parents, who are there for you when you need them, it is nice to help them on days they don't feel so good.
These things are easy to do. It makes others feel better, it makes you feel good to help others, and more and more people will like you. It will just make everyone happier.