The ISM Stability Markers® have been used by private-independent schools since the 1990s. Most longtime readers of Ideas & Perspectives have established an annual or semi-annual discipline of Stability Marker self-scoring, and then forcibly addressing any organizational or financial weaknesses highlighted by their self-score outcomes. This has, in turn, enabled schools to sustain institutional strength in the face of the ebb and flow of their schools’ enrollment demand levels, and of the inevitable fluctuations in the national and regional economies. Not all Stability Marker veterans are equally savvy in using their own self-scores. A healthy perspective on these data arrays helps you, as Board Chair or School Head, to make wise decisions in response to your regular Stability Marker self-scoring exercise. Following is a list designed to assist you in making those decisions