The question needs to be asked again. Why did he resign? Did he do something that would bring disgrace to himself? The city? The Olathe School District?
Sidebar: It doesn't mean much, but it does show that Adrian, does not understand government protocols. And he's a history teacher. Ha!! The letter should have been addressed to the Mayor as the titular head of the city and the head of the governing body. The city manager, as an employee of the city, subordinate to the governing body, should have been listed last.