You can show off your collarbone, but going below the rib-bone is too much. Show off your personality in your clothes and accessories, this will give guys a clear look into how you are as a person. Try a new look occasionally. Be sure it fits well, and that you like wearing it.
Ask them out on a study date, go out of your way to talk to them, or invite them over for a movie marathon. Once they see you're interested, they may just return the feelings, and everything will fall into place. Don't wait around for years for your crush to look your way — make things happen.
However, when you know how to stand out from the rest of your peers, your classmates will see that. By being clean and well-dressed, having good body language, being friendly, asking your classmate about their interests, and being confident, you will be on your way to impressing your classmate.
A person who only listens to the sound of his own voice will not impress others. People who approach conversations as demonstrations of their own superiority to those around them will likely be perceived as arrogant, not awe-inspiring. Make sure to listen as well as speak.
When a guy likes you, he will make an effort to ensure you feel important and valued in his life. He may rearrange his schedule to spend time with you, pay attention to your needs and preferences, or make sure to include you in his plans.
If you're wondering, “does he like me or not?” make sure to observe his actions. If he doesn't tell you he's attracted to you, you can tell by his body language and how his eyes move around. He might give you intense eye contact and look at your chest or check you out when you're across the room.
Dress to impress. If you're that kind of girl (if you are a girl), wear a floral dress when it's hot out, or a cute black sweater when it's cold. Wear clothes that accent your features. ...
Be clean and have good hygiene. Shower at least once a day. ...
Smile. Smile when you talk to him, or when he's around.
Keep an eye out for tripping or other clumsy behavior.
If he drops his books or knocks something off if his desk when you walk by, he may like you. Think about how you act when you get close to your crush. Chances are, this guy experiences really similar feelings when he's around someone (maybe you!) that he likes.
Another clear sign he likes you is if he is actively trying to hang out with you, or help you, or find out more about you. There are also indicators like eye contact or compliments, and showing that he's interested in your physical appearance, or who you are as a person.