OK well this is my first time posting so I hope I have this in the right forum. I'm a senior in high school and recently had to leave an hour early for a doctor's appointment. Even though my mother wrote an excuse saying I had an appointment, they told me I had to have an excuse from a doctor. I'm having personal health issues, and I don't feel like I should have to bring in a note (which who knows who sees it, they aren't in a secure area) with a doctors name on it and a letter head that would reveal where I've been. If I don't bring a note in it will be unexcused. Are they violating my rights?