Principals, central office admin, consultants, and state ed departments would be required to teach just one prep or class for a 3-6 month period at least once every two years. The teacher in which they are 'subbing' for would then be released during that time to participate in some of the leadership responsibilities of the person assuming their role as teacher. Or they could use their release time to coach a colleague (or new teacher).
Admin who teach would be reminded about the complex work of teaching and gain a deeper sense of what both students and teachers need in order to be successful. Likewise, the partnering teacher would gain a broader view of the challenges facing school leaders or gain a better understanding of their colleagues' needs and the challenges of building staff capacity.
This type of model embraces the Design Thinking approach to creating better alternatives (empathize, define the problem, ideate, prototype, test). We cannot begin to solve the challenges facing our teachers and school leaders until we can truly empathize with them.
Teaching is incredibly complex work. Those in the work of teaching realize that teaching is a profession that depends on the teacher's ability to evaluate the situation and make a decision. But the farther we get from the classroom (principals, etc.) the greater the chance of treating teaching like a trade - here's the manual, follow the steps, and you will get results. Teaching is a profession, not a trade.