At your school, you may have a specific group of friends who you enjoy hanging out with on a daily basis. The group you eat lunch with, hang out with between classes or even spend time with after school or on the weekends. Do you have a classmate who doesn’t seem to have many friends or often eats lunch alone?
Maybe he or she is new or is shy and not very good at meeting people. Invite him or her to eat lunch with you. Getting to know someone you don't know is a great way to make a friend!