Stella the Mouse, Nico the Toad, Delilah the Spider, and Bo the Parakeet are four animal friends that live in the school; Stella came in from the outside, Nico was a classroom pet (until he escaped), Delilah hatched in a corner of the teacher's lounge, and Bo goes home with his human (a teacher) on ...

Stella the Mouse, Nico the Toad, Delilah the Spider, and Bo the Parakeet are four animal friends that live in the school; Stella came in from the outside, Nico was a classroom pet (until he escaped), Delilah hatched in a corner of the teacher's lounge, and Bo goes home with his human (a teacher) on weekends--but they all love watching the students work and play, and at night they have each other.