After a hacker breaches the schools grading system and gives students failing grades, Grady Hopkins wants to set the record straight. Along with coders Ava and Marco, Grady follows a trail of IP addresses as he searches for the perpetrator. Will they find the truth before everyone flunks sixth grade? -- Publisher's description.

When cell phones are banned at their school, students start communicating through sticky notes left all over the school, triggering a wave of bullying activities in the wake of a new girl's arrival.

When sixth-grader Mac discovers several words of his classroom copy of Jane Yolen's The Devil's Arithmetic are blacked out he is outraged, so he, his friends, and his eccentric family set out to do something about the censorship imposed by one teacher andthe school board.

While sixth-grader Dewey is trying to help schoolmates solve their teacher problems, the school itself enacts bizarre changes that lead Dewey and his friends to commit acts some would call vandalism.

Twelve-and-a-half year old Emelyn Ethrige lives with her widowed father in South Carolina, dreams of wheelchair motocross, and makes custom chair bags trying to earn enough money to buy a serious set of wheels; she has been in a wheelchair all her life, and is just fine getting around without help, but it seems that since her mother was killed in an accident everyone (father, grandparents, teachers, and classmates) have started treating her differently:...

Publisher Annotation: When summer break brings BIG changes, these BFFs 4EVA may end up saying good-bye 4EVA in the eighth and final book in this popular middle-grade series told entirely in text messages, emojis, and passed notes.