Despite the mishap in the posting (Thank you for pointing that out), newbie or not - the salary package on offer is still good.
Given the fact that after a couple of years they can aim for a higher level salary, providing they stay within public schools.
As mentioned in the post, Seoul and other metropolitan cities are easily accessible, including areas along the eastern coast. KTX and other transportation services are easily accessible. more information can be found in the website provided.
It is a rural area, as it clearly mentions. It just depends on individual preferences.