Just like the active component, 4 star general is the highest.
The Commandant of the Guard is an Oberst or Colonel.
commandant
Depends on rank and years of service.
Dean Paul Martin reached the rank of Captain before his death while serving with the California Army National Guard.
Depends on the rank and years of service.
That rank has never existed in the Coast Guard. The highest rank in the Coast Guard is a four-star admiral referred to as "Commandant", just like the Marine Corps. The position and rank is currently filled by Admiral Robert J. Papp, Jr.
Private first class in the Army Guard, and Airman first class in the Air Guard.
Like most military, it depends on your rank and years of service.
Pay is determined by rank and current duty status, not by occupation.
It depends on rank and years of service, not nursing abilities.
It all depends on rank and years of service.
There is no Automatic promotions within the National Guard unless they are ones based off time in service. You won't be handed rank just for switching from Active Duty to the Guard. In order to gain rank you will need to test and show you deserve the new position.