NEW YORK ― Bahar Akyurtlu had been teaching for about four months at a high school in Harlem before several students began bullying her. When she walked down the halls, clusters of students would shout at her, referring to her as “mister.” In stairwells, students would yell that her voice sounded like a man. The harassment didn’t surprise her, even if it stung, cutting to the core of her identity. Sadly, she sees it as one of the occupational hazards of being a transgender teacher, she said. In February, the Trump administration rolled back protections for transgender students. It rescinded...