If you like Speak by Laurie Halse Anderson

Here are some suggestions for books with school drama/situations and
plots that keep you guessing at the ending, which were a couple of the things you said you liked about Speak by Laurie Halse Anderson.

The True Meaning of Cleavage by Mariah Fredericks.
When Jess and Sari, best friends since seventh grade, begin their
freshman year of high school and Sari becomes obsessed with a senior
boy, Jess wonders if their friendship will survive.

Amandine by Adele Griffin.
Her first week at a new school, shy, plain Delia befriends Amandine, not anticipating the dangerous turns their friendship would take.

Cut by Patricia McCormick.
While confined to a mental hospital, thirteen-year-old Callie slowly
comes to understand some of the reasons behind her self-mutilation, and gradually starts to get better.

Stargirl by Jerry Spinelli.
In this story about the perils of popularity, the courage of
nonconformity, and the thrill of first love, an eccentric student named Stargirl changes Mica High School forever.

The Boyfriend List : (15 guys, 11 shrink appointments, 4 ceramic frogs,and me, Roby Oliver) by E. Lockhart.
A Seattle fifteen-year-old explains some of the reasons for her recent panic attacks, including breaking up with her boyfriend, losing all her girlfriends, tension between her performance-artist mother and her father, and more.

What My Mother Doesn't Know by Sonya Sones.
Sophie describes her relationships with a series of boys as she searches for Mr. Right.