The halls at P.S. 124 in Manhattan's Chinatown were quiet and smelled like orange air freshener. Summer school was over and Alice Hom, the principal, was showing Juhyung Harold Lee the classroom he will be using this fall.
"This is a little bigger," he said, walking into the room.
"They're bigger kids," Ms. Hom said.
Mr. Lee taught third grade last year but he will now be teaching fifth graders. Early this summer, he did not think he would be coming back at all.