What does it mean when group of guys who are friends of each other stare at you?

There are two guys who are friends and they both like me( weird ).. The others who hang out with them stare at me too like So much ( I don't know if they like me too or what) . Every time they walk by me they would raise their voices. Sometimes they would gather and look at me at the same time and when I look at them they don't look away, so I get shy and I look away. When they look at me they don't smile or anything (they stare with their mouth little bit open).We don't talk at all. They're in my school. Sometimes they would try to come near me,( stand by me).

I REALLY want to know what this means!
What does it mean when group of guys who are friends of each other stare at you?
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