Not a teacher, an academic advisor. After flunking (with a 0.0 GPA) my second straight semester as a freshman in college, I was told "you won't be admitted again unless you can prove you can do college level work."
Get bent, Joe.
My high school guidance councilor told me that I wasn't college material and not to bother
I believe she's dead now.
Jason Rasgon
What teacher got on your last nerve in grade school/college, and what did they do that earned a permanent spot in your memory?