Wyatt High School in Fort Worth was placed on lockdown on Monday after reports of a photo of students possessing a firearm near the school were posted online. Wyatt High School in Fort Worth was placed under lockdown Monday afternoon as authorities investigated a potential firearm threat on campus. Wyatt High School, a part of Fort Worth ISD, was placed on lockdown on Monday afternoon. Wyatt High School and other schools in Fort Worth ISD. You can't play around in this," Fort Worth ISD Superintendent Peter Licata told the media on Monday.