Professional development required

1. Each teacher of mathematics and principal serving students in kindergarten through grade eight in a public or nonpublic school shall attend ongoing professional development training focused on best practices in mathematics instruction, including: a. Explicit and differentiated instruction; b. Data-driven decisionmaking; and c. Evidence-based programming on mathematics aligned with the 2023 North Dakota Mathematics Content Standards. 2. The department may provide a list of suggested and approved training. 3. Newly hired teachers and principals serving students in kindergarten through grade eight shall begin the professional development training described in subsection 1 within one year of first- year placement. 4. Required trainings must have occurred on or later than July 1, 2023 and be approved by the superintendent. 5. For teachers and principals of students in grades four through eight beginning in 2025 and grades kindergarten through three beginning in 2027, the successful completion of mathematics training in accordance with North Dakota Century Code section 15.1-21-12.2 meets the training requirements of this section.