Amend CSSB 3 (Senate committee report) by adding the following appropriately numbered SECTION to the bill and renumbering subsequent SECTIONS of the bill accordingly: SECTION ____. Subchapter B, Chapter 28, Education Code, is amended by adding Section 28.0216 to read as follows: Sec. 28.0216. DISTRICT GRADING POLICY. A school district shall adopt a grading policy, including provisions for the assignment of grades on class assignments and examinations, before each school year. A district grading policy: (1) must require a classroom teacher to assign a grade that reflects the student's relative mastery of an assignment; and (2) may not require a classroom teacher to assign a minimum grade for an assignment without regard to the student's quality of work.