How is Mrs. Silver described in the novel, The Year of Billy Miller?

Mrs. Silver is the second grade teacher in Room 2 at Georgia O’Keefe Elementary School. Billy, Ned, Emma Sparks, and Grace Cotter are in her class. Mrs. Silver loves Chinese culture and history, and incorporates this into class whenever she can. She is immensely intelligent, kind, and caring. She is married, and has a baby boy at home.