How does Huxley characterize the students?

Huxley characterizes the students as excited, inexperienced, nervous, and attentive.

A troop of newly arrived students, very young, pink and callow, followed nervously, rather abjectly, at the Director's heels. Each of them carried a notebook, in which, whenever the great man spoke, he desperately scribbled. Straight from the horse's mouth. It was a rare privilege.