Right there

You smile wider and motion to her desk, having her sit down. You cross your arms and look at her sternly. "Now, Miss Sullivan. I know that you have a lot of things on your plate, but there is no excuse for not completing your homework on time."

She looked up at you frightened. Maybe she should have been drama instead of sex-ed. "I'm sorry, Mister Hardcock. I want to pass this course, I really do, but the boys keep picking on me."

"That's not an excuse. And you know that the reason that they do that is becuase you don't wear panties to my class, do you?"

She shook her head nervously. "They're so uncomfortable, sir..."

"Well, your parents have graciously given me leave to give you home tutoring, since you seem to be unable to complete even the SIMPLEST of assignments."

She cowered convincingly and nodded, looking down and playing with the hem of her skirt.