Yes, I think this could possibly be a normal thing for someone who is BDP, this exact thing happened to me when I was in high school when I was 14/15.

I too am female and completely fell for my female English teacher. I always wanted to know where she is, knew her car, found myself obsessing over her, always staring her. She used to come to some of school clubs I atteneded and played games with me.

Further to this I now am only attracted to older women, this can be anything between 3-10 years older. For some reason I can associate them to be able to look after me and be the dominatrix in the relationship.

I'm not sure how common this is. I don't really have a fear of abandonment, but I am really obsessive in relationships.