A.J. and his friends may have thought Ella Mentry School was weird, but they're in for a big surprise. Principal Stoker has to choose two students to send to Ella Mentry's rival school--Dirk School--for a month. Guess who she picks?

Now, A.J. and Andrea are learning from Mrs. Towne, who is a real-life clown! But what can they do if Mrs. Towne isn't as happy as her makeup--and joking around--makes her seem?