After meeting on the first day in Mrs. Chemsky's fifth-grade class, Margalo and Mikey help each other in and out of trouble, as they try to maintain a friendship while each asserts her independence.

Charlotte's novel makes her very popular at school, but it almost costs her her very best friend.

While filming a movie for a school project, Gabe and his friends discover mysterious activities at a supposedly vacant house.

Four students, with their own individual stories, develop a special bond and attract the attention of their teacher, a paraplegic, who chooses them to represent their sixth-grade class in the Academic Bowl competition.

Cat is excited about graduating high school, moving, and her dad's wedding; but as the events comes closer, she starts to become worried that she will lose touch with her friends.

Chrysanthemum loves her name, until she starts going to school and the other children make fun of it.

Two best friends embark on a project to study the behavior and taste of the popular girls at their elementary school so that by the time they get to middle school they too will be in the right crowd and record their findings in the form of a scrapbook.

Best friends Spencer, Aria, Emily, and Hanna find themselves under suspicion when the mysterious stranger named A tries to blame one of the girls for the death of their friend Alison and threatens to reveal the girls' darkest secrets.

Seventh-grader Erin Swift writes about her friends and classmates in her private blog, but when it accidentally gets posted on the school Intranet site, she learns some important lessons about friendship.

Catholic-schooled seventh-graders Sophie, Margaret, Rebecca, and Leigh Ann help an elderly neighbor solve a puzzle her father left for her estranged daughter twenty years ago.