Caillou's Playschool is a location in Caillou's neighborhood.It is also known as the Daycare, Play group and Preschool. it first appeared in the season 1 episode, Caillou at Daycare. The playschool is small and has a short entry way where the cubbies are bookshelves are one big room with toys, several bookshelves, a fish tank, a snack area and art section. There is a playground outside. Caillou's playschool class is small and includes Caillou , Clementine, Emma, Jason, Jeffery, Leo and Xavier. It also has a few other kids such as Mara, Lee-Wun, Wendy, and Allen. Ms. Martin runs the class.