That so called teacher, sounds very unprofessional.
I had a similar issue with my DD15's 4th grade teacher. She had been having problems with the boy she sat next too. It seemed the teacher just wanted to vilifly my daughter instead of actually doing any kind of work to get to the bottom of the issue.
I got a phone call one day from the principal that they had pulled her out of mass and that I needed to come and take her home for the day. Soooo. .. after I got her home I had asked her what happened. Apparently she was sitting next to this same boy at mass. He was picking his nose, so when it came time to hold hands during the Our Father, she pulled her sweater sleeve down over her hand before she took his hand. I guess the teacher saw this and pulled her out. Nobody even spoke to her or asked her why she did that.

Now I know that somebody might say she was making it up, but other kids in her class verified it. He was picking his nose, she didn't want to touch that hand, go figure!
Anywhoo, this is what I did. . and this is what you should do. I asked for a conference the next day with the principal and the teacher. Being a teacher, I knew they thought I was going to be confrontational. I wasn't in the least. What I did do was make it obvious that that teacher didn't have a clue as to what was going on in his classroom. Basically, I asked if he knew why these things were happening in his class. He didn't. So I told him. . lol! I pointed out that not one of them had ever asked my daughter about the situations that were happening. And I told them the simple reasons. . .ie. kid was picking his nose. Then I basically told them what I needed them to do. Plain and simple. That teacher basically got his warning. The rest of the year went much better. . .but he knew I was watching and expected him to do his job and not just use my daughter as his scapegoat.
What you need to do is call that meeting. Explain that your daughter is not happy at school, she feels like the teacher doesn't like her, and it's affecting her self image. Then feel free to let the principal know the things that teacher has said to you and the way she went about grading your daughter. Ask how they plan on fixing this. That teacher is going to have a really hard time explaining herself. I would also want to know what is up with the other parents before that meeting, so that you can bring their issues up as well. In case they want to make it look like it's just you and not the teacher. Depending how the principal reacts would determine if I kept my daughter there.
ETA-I think that teacher needs to be fired. She doesn't have any business working with kids.