Samantha not only admits she is a witch to a mortal, but also demonstrates her witchly powers.
Endora wears a necklace made of vertical rows of white elephants with the tree trunk up, and which dips down her torso---as well as matching earrings. Those elephants are supposed to bring good luck, according to folklore. She pairs it up with a choker made of large, round, red plastic beads.
The title is based on the song "School Days" or "School Days (When We Were a Couple of Kids)" written in 1907 by Will Cobb and Gus Edwards.
Tabitha's hair has darkened quite a bit, from her toddler's original blonde color. Usually, blondes' hair stay very fair throughout most of their childhood and doesn't darken until much older.