If you misplace a gun while on watch in the military, I guarantee you’re seeing article 15 or captains mast, regardless of context. An armed employee in a school should be held to the same standard.

A lot of historians rank a President based on their abilities to execute their office and their impact on the country relative to their place in US and world history. Jackson tends to get high ratings because of his impact on things like central banking, the spoils system, how he changed the significance of the executive branch. He may have been an ugly person but he was able to find ways to achieve a lot of his goals.