There are several Beauregard Schools in the country and two in Louisiana. Neither of them are in New Orleans, however.
Ruby's new class is reading The Murders in the Rue Morgue by Edgar Allen Poe. Published in 1841, the short story is known for being the first detective story. The story follows a man who solves the murders of two women. In the story, the murderer is an animal.
Ruby and Giselle are identical twins. They look very similar. Identical, or monozygotic, twins are produced when one egg is fertilized which divides into two separate embryos. With fraternal twins, two eggs are fertilized instead of one.