Mass. Gen. Laws ch. 71A, § 3: Census

Section 3. Census

School districts shall annually ascertain, under regulations prescribed by the department, the number of English learners within their school system in grades pre-kindergarten through twelve, and shall classify them according to grade level, the language of which they possess a primary speaking ability, and the English learner program type in which they are enrolled, with all such information being made publicly available by school and school district on on the district's website in machine readable format, to the extent feasible. School districts shall also track the academic performance of students who have exited an English learner program to assess the academic achievement of English learners and the effectiveness of English language classroom programming.