The document describes the author's first year as a Mandarin teacher at a New York City high school. It provides details about the school's location in Chinatown and largely Asian student population. It then outlines the author's progression from observing Mandarin classes in college to student teaching at the school to now teaching two 10th grade Mandarin classes and one 9th grade Native Language Arts class. The author shares tips for student teaching and provides pictures from their classroom while teaching various groups of students, including heritage Chinese speakers and recent immigrants from China.