"Diagnostic and screening purposes" means for the purpose of determining if individual students need remedial instruction or to determine eligibility for special education, early intervention, bilingual education, dyslexia services, advanced academic programs as defined in Section 14A-17 of this Code, or other related educational services. Any assessment used to determine eligibility for special education or related services must be consistent with Section 614 of the federal Individuals with Disabilities Education Act. "Diagnostic and screening purposes" includes the identification and evaluation of students with disabilities. "Diagnostic and screening purposes" does not include any assessment in which student scores are used to rate or rank a classroom, program, teacher, school, school district, or jurisdiction.
"Standardized assessment" means an assessment that requires all student test takers to answer the same questions, or a selection of questions from a common bank of questions, in the same manner or substantially the same questions in the same manner. "Standardized assessment" does not include an observational assessment tool used to satisfy the requirements of Section 2-3.64a-10.
105 ILCS 5/2-3.64a-15