<human>: Can you provide a brief rundown of the text in within 3 sentences?

Before posting "ask her out," please read the post specifically because it's a little more complicated I think.

So here's the deal. Basically, I like this girl. We're both 16 and in high school. However, I only share one class with her and it isn't really possible to talk to her in it. So we have limited conversation randomly.

Here's the way the confusing part comes in. Sometimes we make quite a bit of eye contact in hallways and stuff and sometimes we don't. However, now I'm getting sick of it. The more I think about it, the more reasons I come up with to think that she doesn't like me. Also, she rarely initiates anything like texting or conversations when we can talk. She seems shy so I don't know if it's that or that she doesn't have any interest in me.

So at this point you're probably thinking, why don't you end the pain and ask her out already?
First of all, I don't even really know what that means. I don't know if asking someone out means asking them to be your girlfriend/boyfriend or if it means asking someone on a date. If it's the first, I want to get to know her more first. If it's the second, I have never seen anyone in our school (it's small) ask someone on a date. So I guess that's weird in High School?

Also, with eye contact and hallways, I'm starting to worry that if she doesn't like me, she probably thinks I'm creepy since I look at her a lot more in hallways. Maybe girls are generally sneakier about it? (At this point I'm trying to be obvious so maybe she'll initiate something or give me a sign that she likes me too.)
<bot>: Can't tell if a girl likes me, and i'm getting sick of going back between thinking she does and she doesn't, but don't know what to do about it.