The valedictorian of a high school in a San Antonio suburb where a judge has banned formal prayers at graduation ceremonies on Saturday is fighting for an opportunity to lead the crowd in prayer.

On Thursday, the North Texas-based Liberty Institute, a nonprofit that describes itself as seeking to limit government and promote Judeo-Christian values, filed a lawsuit on behalf of the valedictorian of Castroville’s Medina Valley High School, Angela Hildenbrand.

“After all that I’ve been taught about the freedoms of speech, expression and religion in our country, I am disappointed that my liberties are being infringed upon by this court’s ruling to censor my speech,” Hildenbrand said at a press conference at the Alamo.

U.S. District Judge Fred Biery ruled on Tuesday that the Medina Valley School District may not proceed with plans to include an invocation or benediction at the ceremony, saying that doing so would make it sound like the school is “sponsoring a religion.”

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