Friendship is a two-way street. While it might be tempting for you to constantly talk to fill any awkward silence or crack a lot of jokes, often all people want is for others to take an interest in them.
Ask them about their hobbies, their families, what they like to do outside school, if they have any pets, etc.
When they answer, really listen to what they are saying. Most people listen to respond but if you can learn to actively listen to somebody, you will always be the person they want to talk to!
And remember, good friends will show that same level of interest in you too.Â