Even though Jack's letter commends him for his actions in Eureka, Washington, there is an Oregon State flag in his office putting Eureka in Oregon, not Washington. this will be corroborated in numerous other instances.
The school scenes were shot at the Heritage Woods Secondary School in Port Moody, British Columbia.
Carter asks, "Fargo, is that you talking like a girl?" To which Fargo replies that it isn't him. In reality Neil Grayston, who plays Fargo, does in fact voice S.A.R.A.H.