Protecting Kids from Fentanyl Act This bill allows states and local educational agencies to use unexpended COVID-19 elementary and secondary school emergency relief funds for additional purposes. In particular, these funds may be used for (1) purchasing naloxone or other opioid antagonists; (2) providing training to school nurses, teachers, school administrators, and school resource officers on how to administer naloxone or other opioid antagonists; and (3) providing fentanyl awareness classes or materials to students.