What can be confusing when deciding the placement of an ELL student and their eligibility?

11123When deciding the placement of an ELL student and their eligibility? What are some muddiest points, or what can be confusing? Please clearly explain your answer.
https://www.colorincolorado.org/article/identifying-needs-ell-program-placement
https://www.colorincolorado.org/article/placing-english-language-learners-program-instruction
https://www.ncsl.org/research/education/understanding-and-assisting-english-language-learners-in-school.aspx
Your 150-word essay is supported with at least two cited references. While APA style is not required for the body of this assignment, solid academic writing is expected, and documentation of your findings with a minimum of at least two scholarly resources should be presented using APA formatting guidelines.