A.J. and his friends get a Personal Digital Assistant named Miss Porter as a substitute teacher, who can order pizza and tell endless jokes, but grows power-hungry when her system is changed and tries to take over Ella Mentary School.

"At-ten-tion! The Beaver Scouts are looking for new recruits. And A. J. and his friends are the first to sign up. They can't wait to build campfires and win cool badges. But scout leader Miss Blake would rather prepare them for bear attacks and falling boulders. When they head outdoors, will they be prepared for a real emergency?" -- Back cover.

"A.J. and his friends are forming a band! At least, they are taking band classes. Their new teacher, Mrs. Bacon, can teach any instrument, from the kazoo to the tuba. But can she get A.J.'s class to play well enough during their recital to impress cranky Dr. Carbles? Or will their concert be a musical mess?" -- Cover.

When Miss Aker, a special guest at Ella Mentry School, shows A.J. and his friends how to create cool things out of all kinds of materials, they accidentally build a robot smart enough to take over the world!

A.J.'s class is going head-to-head against Dirk School in a charity softball game. The losing team must clean the winning school's toilet with a toothbrush! Mr. Ott, retired baseball pro, intends to lead Ella Mentry School to victory, but will his weird tactics actually make the team lose?

With more than 30 million books sold, the My Weird School series really gets kids reading! For this final installment of the My Weirder-est School arc, it’s time to break out the caps and gowns! A.J. and his friends are graduating from third grade. Eeeeek! The kids have the chance to choose a guest speaker for the ceremony, and their minds are all set on one person: the most popular singer and rapper in the world, Lil Mouse! Will they be able...