Each school division shall involve the staff and community in revising and extending biennially a six-year school improvement plan. This plan shall be reviewed and approved by the local school board and submitted by January 15 of each odd-numbered year to the Superintendent of Public Instruction for approval in accordance with criteria of the Board of Education. The plan shall include:

1. The objectives of the school division which can be measured by outcomes related to pupil performance, whenever possible;

2. An assessment of the extent to which the objectives are being achieved, including evidence from follow-up studies of former students;

3. Strategies for achieving the objectives of the school division; and

4. Evidence of community participation in the development of the six-year plan.

A report shall be made by November 1 of each year to the local school board and to the public on the extent to which the measurable objectives of the preceding two school years were achieved. Deviations from the plan shall be explained.