TALLAHASSEE — A federal judge on Tuesday blocked Florida education officials from enforcing a law requiring a transgender teacher to use pronouns that align with her sex assigned at birth, saying the law violated her First Amendment rights.

The 2023 law restricts educators’ use of personal pronouns and titles in schools.

Violations of the law — one of a number of measures backed by the Republican-controlled Legislature and Gov. Ron DeSantis targeting the LGBTQ community over the past few years — can result in teachers being stripped of certifications and hefty financial penalties for school districts.

Plaintiffs Katie Wood, a transgender Hillsborough County teacher, and AV Schwandes, a nonbinary teacher fired last year by Florida Virtual School, sought preliminary injunctions as part of a lawsuit challenging the restrictions.

The challenge alleged the law violates the teachers’ First Amendment rights and runs afoul of a federal civil-rights law.

Chief U.S. District Judge Mark Walker issued a preliminary injunction Tuesday that blocked enforcement of the law against Wood, but the injunction does not apply statewide. Walker’s decision also denied a preliminary injunction sought by Schwandes.

“Once again, the state of Florida has a First Amendment problem. Of late, it has happened so frequently, some might say you can set your clock by it,” Walker’s 60-page ruling began.