The board of trustees accepts responsibility for establishing what students should learn.  The board shall adopt a district curriculum which reflects district philosophy, is aligned with state content standards, responds to student needs and abilities, and is consistent with the requirements of law.  Insofar as possible, this curriculum shall also reflect the desires of the community and the needs of society as a whole.  The board recognizes the need for and the value of a systematic, ongoing program of curriculum development, instruction, and assessment.