Search Results: should i text him back

The situation summed up:

- We're both 21
- We were close during highschool
- We currently don't live in the same country
- We started texting more and more these past few months
- We text about our personal lives late at night
- We send each other new articles or memes on social media
- We tease each other often
- She sometimes doesn't answer my texts within 24h
- She strikes up a conversation when she's on a train or a bus
- She talks about her failing relationship
- She mentioned she's scared she won't find anyone to settle down with (she's kinda insecure)
- She said I should invite her to my wedding when that day comes
- She mentioned how mature I've become over the past years
- She knows I liked her during highschool
- She said I should've told her back then, because "who knows if it could have led to something"
- She said she 'likes' frat boys (I'm not a frat boy by the way)
- She said she misses our highschool friends and life

I'm pretty sure she doesn't know I still like her, but she's sending me so many mixed signals I don't know what to think of the situation anymore. Is she into me or am I in the friendzone? Thanks in advance for your honest opinions!

Back story: There’s this girl that I’ve been crushing on for a while. When we first met I was sure she was interested but I kinda let things die down; I used to reply late then she got petty and it became this toxic thing of who can reply later till it died (my fault I know). Fast forward to current day I’m 90% sure she knows I like her (damn near obsessed even) and now I’m really trying to apply pressure to get her or at least get closer to her.
. I sent her a voice note talking about how we should have a “light catch up” and that I’ve been thinking about her during the summer and stuff. She’s down to meet up this week but over text she seems kinda disinterested and takes a whole day to reply even though I’m replying in due time.
. Should I take this as test? Should I tolerate it because I was the one that was fumbling since and she’s getting back at me? And if so how long? Or should I simply take it as signs she’s not interested? A lot more could be said about the whole timeline but this is a summary.