* Measure student achievement: The tests assess students' understanding of Massachusetts Curriculum Frameworks in English Language Arts and Mathematics. Results are used to gauge how well students are learning the required material.
* Accountability: School districts and individual schools are held accountable for student performance on the MCAS. Results are used to identify areas needing improvement and guide educational reforms.
* Graduation requirements: Passing the MCAS is a requirement for high school graduation in Massachusetts. This ensures students meet a minimum level of proficiency before earning their diploma.
In short, the MCAS is a tool used by the state to ensure a minimum standard of education is met across all schools and that students demonstrate competency in core subjects before graduating. While controversial, its purpose is to measure student learning and hold the educational system accountable for student outcomes.