The Washington Post:

Her 30-minute turn at Jefferson Middle — an actual class at the Southwest D.C. school — will be reviewed by school officials, who will use the 360-degree camera to gauge not only her performance but how students responded.
If they like what they see, they will upload the video with the rest of her application to an online portal principals can access to view job candidates. The District, which employs about 4,000 teachers, expects to hire 600 to 800 for the coming academic year. That number reflects the usual turnover along with vacancies expected to emerge in the summer with the dismissal of instructors who receive poor evaluations.
Sowers received 48-hours’ notice for what she was expected to cover in the taped lesson. But she entered the room knowing nothing about her students or their relative abilities. That meant showtime came with some surprises.