HB 2866 makes significant changes to the public school accountability system in Texas. It modifies procedures for challenging Texas Education Agency (TEA) decisions, limits when school districts can appeal an agency ruling, and alters the school accountability rating system. The bill requires state assessments to be independently verified for validity and reliability, restricts school districts from using public funds to sue the state over education policies, and grants TEA expanded authority to intervene in districts that challenge state education laws. It also establishes new requirements for reporting school performance data, mandates a review of industry certifications for career and technical education programs, and imposes penalties on districts that joined lawsuits challenging TEA’s accountability system​.