If you like The Perks of Being a Wallflower by Stephen Chbosky

Here are three
other titles I hope you might enjoy.

Speak by Laurie Halse Anderson.
Melinda Sordino's inner voice provides sardonic commentary on her high
school experience, while her real self remains mute about a painful
incident that has made her an outcast.

Catcher in the Rye by J. D. Salinger.
The influential and widely acclaimed story details the two days in the
life of 16-year-old Holden Caulfield after he has been expelled from
prep school. Confused and disillusioned, he searches for truth and rails
against the "phoniness" of the adult world. He ends up exhausted and
emotionally ill, in a psychiatrist's office. After he recovers from his
breakdown, Holden relates his experiences to the reader.

The Secret Life of Bees by Sue Monk Kidd.
During the summer of 1964 in rural South Carolina, a young girl is given
a home by three black, beekeeping sisters. As she enters their
mesmerizing secret world of bees and honey, she discovers a place where
she can find the single thing her heart longs for most.