The back of Asuka's head. She is writing on the blackboard (as she writes, her face is hidden and cannot be seen)
SE <<Chk chk chk chk>>
When she has finished writing she spins around to face the direction of the camera, surveying the room. In a cute manner!
Kendrix: Let’s appreciate the loopy schoolgirl handwriting, and of course it’s neat yet has some flourishes.
The reference here and in 314 to her acting “cute” probably mean that we’re supposed to perceive a kind of contrast – That she’s putting on a charming front for the classmates. More on this in ep 9.