19. The special education process mandates that students be evaluated by a/an ______ using nondiscriminatory instruments and procedures. A. classroom teacher B. administrator C. service coordinator D. multidisciplinary tea20. Given the Every Student Succeeds Act (ESSA) accountability requirements that each state develop a timeline for ELLs to become proficient in English and exit the specialized services they receive, ______ and regular, ongoing assessments are fundamental in order to monitor and advance ELLs' progress. A. IEPs B. record keeping C. collaboration D. a continuum of services