Ms. Jo-Jo Is a Yo-Yo! (My Weirder-est School, Bk. 7)

Test scores are low and stress levels are high at Ella Mentry School. Wellness expert Ms. Jo-Jo has come to help students ace the upcoming Fundamental Arithmetic/Reading Test. But can turtle yoga and crystal salt lamps really help A.J. and his friends relax and focus? Or will the F.A.R.T. blow them all away?