Provides that certificated instructional staff who have attained certification from the national board for professional teaching standards shall receive a bonus of ten thousand dollars each year in which they maintain their certification from the national board for professional teaching standards. The annual bonus for national certification is provided in addition to compensation received under a district's salary schedule adopted in accordance with RCW 28A.405.200 and shall not be included in calculations of a district's average salary and associated salary limitation under RCW 28A.400.200. The bonus shall not be considered earnable compensation as defined in RCW 41.32.010 or compensation earnable as defined in RCW 41.40.010 and 41.35.010.