Even if they did, teachers would not have taken comparable tests anyway. (educationnext.org)
(Note: during the test, part of the injury data from the neck was not obtained, but after the Institute reviewed comparable test data from General Motors, the head / neck injury risk was rated good.) (iihs.org)
(During the test, some injury data from the left leg was lost, but after the Institute reviewed comparable test data from Nissan, the left leg injury risk was rated acceptable.) (iihs.org)