Less Than Four Domains: Creating an Overall Composite Score as an Indicator of English Language Proficiency for English Learners with 504 or Individualized Education Plans

How can an overall composite score on the Assessing Comprehension and Communication in English State-to-State (ACCESS) assessment when English learners on 504 or individualized education plans (IEPs) are unable to complete all four domains of the assessment? The authors of this article illustrate models and procedures that can be used to calculate a composite score when one or more domain scores is missing. The appendix includes tables and statistical programming codes to use in these calculations.