I got her number, now what?

i have done this a million times...i get her number then I don't know where to go from there...i need some tips guys, I met this girl in my school and got her number but I don't see her around anymore and our texts be lame.I will text her good morning...good nite...etc...but what are some interesting things I can do with her number
I got her number, now what?
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