A middle school teacher in Texas was fired after assigning her students a graphic novel adaptation of The Diary of Anne Frank.

The Hamshire-Fannett Independent School District announced that the unidentified teacher was sent home on Sept. 13, after “concerns regarding curricular selections in your student’s reading class,” according to a letter to parents from district spokesman Mike Canizales.

District officials claim that the graphic novel was not approved for classes, but a reading list sent to parents at the beginning of the school year — obtained by local outlet KFDM, who first reported the story — featured the book.

Book bans reach record high

Students across the United States have read Frank's diary for decades to learn from a first-hand account about the horrors experienced by Jewish people during Nazi Germany. Created by Israeli illustrator David Polonsky, the graphic novel adaptation has been praised for its accuracy and faithfulness to Frank's story, directly pulling quotes and events from the original text.

Anne Frank’s Diary: The Graphic Adaptationfeatures passages from the unabridged version of Frank's diary, some of which demonstrate her speculated attraction to women. One scene shows Frank becoming enchanted by statues of nude women. In another, she suggests to a female friend that they show each other their breasts.

As of last month, book bans reached a 27-year high in the United States, most of which have occurred in Republican states targeting material with LGBTQ+ or racial themes.

The unabridged version of Frank’s diary was banned from schools in Texas and Florida this year after complaints from parents about sexual content. Frank was notably twelve years old when she began keeping her diary — the age of most middle school students.

The Anne Frank Fonds, a Switzerland-based foundation that controls the copyright to Frank's diary, told the Jewish Telegraphic Agency earlier this year that it was “generally concerned about ignorance of the [Holocaust],” noting that "relativization or denial of history are on the rise, especially in the United States.”

“We consider the book of a 12-year-old girl to be appropriate reading for her peers," it stated.