Yes!

Anna slowly entered the classroom, still bending over so that her exposed legs were covered by the tables. Luckily for her, the back row were empty again, meaning its hard for classmate to take a peek.

"Ah, there you are Anna!" Miss Kate greeted, "You made it, just about!" Anna looked at the clock, she arrived with seconds to spare! Anna exhaled a sigh of relief. Despite this, she's not out of the woods yet, she still got her panties uncovered, and something as simple as someone walking towards the door could mark the end of her cover.