How to ask this girl on a date?

Ok so there is this girl that just moved from another school about 2 months ago. I only see her during lunch and I can tell she is very quiet, but very cute,which is exactly the kind of girl that I need considering I'm on the more quiet side as well. She sits with the same group of people and when I look over every now and then at her she'll hardly say anything and if she does it's too the person beside her. I follow her on Instagram and every time she post something she'll put #single or #hmu or something like that so I know she's kinda looking for a boyfriend. But that's not really the reason why I want to ask her out or at lest get to know her. I just know she's exactly my typpe and I need to say something to her. But I just don't know what. I've tried texting dm her on Instagram but the conversation was short and I didn't really get much out of it. Also this girl doesn't know who i am. So what would your suggestions be? Should I go up to her after lunch and say something to her? Should I start by saying just hi to her? Also I never see her in the hallways either. Just at lunch . I've also tried sitting with the same group she sits with but didn't really say anything to her cause I didn't want to put all the attention on her or anything. I told her she seems very quiet off a conversation we had a Instagram and she admitted too it, so I know she is. So what should I do?

?2017-04-01T14:36:11Z

I think you should be honest about your intentions and tell her right away that you like her.

Because if you try to hide your feelings and intentions, then she'll have a good reason not to trust you. People usually don't mean well, when they are hiding something.

But telling her that you like her probably would be a lot easier for both you and her, if you do it either through a text-message, or Instagram, or Facebook, or some other such way.

Because this way, she doesn't need to react right away. She'll have time to think about it, instead of getting flustered and trying to get away from you just because of this.

Anonymous2017-04-01T14:35:40Z

Honestly, if you're shy this is going to be difficult for the both of you.
After you ask most shy girls out they usually freak out on the inside and they don't know what to do or say.
I'm just letting you know this because I myself am a introverted girl which most people consider "shy".
This probably isn't the answer you're looking for. I know. But I just wanted to warn you before.