SOLVED. YA book probably judy blume or paula danziger, about a girl with a mother on valium and father who is verbally abusive. [s]

[Adelissa]

I believe the daughter was good at writing and met a teacher that helped her figure stuff out.

[bookel]

Try looking at the authors' books and see if you recognise any (multiple covers).
Judy Blume https://www.librarything.com/author/b...
Paula Danziger https://www.librarything.com/author/d...

[Adelissa]

Cat ate my Gymsuit!

[bookel]

Congrats!
Link: The Cat Ate My Gymsuit by Paula Danziger.