Amend CSHB 1310 as follows: (1) On page 4, line 27, strike "In" and substitute "Subject to Section 21.609, in". (2) On page 5, between lines 24 and 25, insert the following: Sec. 21.609. EVALUATION OF TEACHERS HOLDING NATIONAL CERTIFICATION. (a) The commissioner shall develop an assessment system for evaluating teachers certified by the National Board for Professional Teaching Standards. The system must: (1) be based primarily on the academic performance of students taught by those teachers; and (2) specify criteria a teacher certified by the National Board for Professional Teaching Standards must meet to continue receiving a stipend under Section 21.607. (b) Using the assessment system developed under Subsection (a), the commissioner shall evaluate teachers certified by the National Board for Professional Teaching Standards who receive a stipend under Section 21.607. A district shall renew a teacher's stipend every three years if the teacher meets the criteria for stipend renewal established by the commissioner.