The document discusses various methods for assessing students' language and communication skills, including formal standardized tests that evaluate specific skills as well as informal techniques like language samples, classroom observations, and curriculum-based and ecological assessments that evaluate skills in real-world contexts. The goal of assessment is to identify language disorders, evaluate a student's strengths and weaknesses, guide intervention planning, and measure functional outcomes. A comprehensive assessment incorporates both formal and informal methods to fully understand a student's language abilities.