Oh yeah! I hate when teachers give out that kind of info...
Just today, my teacher was at the front of the room and he's like, "So how is your brother?" And everyone was like, "What's up with her brother?" and he pretty much told the whole story about my brother. It's a long story, and really complicated, but I mean, the only reason my mom told him about it was because I was so phased out in class because I was upset about it. That gave him NO right to start telling the entire class!
I was pretty peeved.