It is in the third tier of the Thai football league system.
No club was promoted to the Thai Division 1 League.
Last years league champions Chiangmai, runners up Phitsanulok failed to qualify from the 2012 Regional League Division 2 championship pool.
Paknampho NSRU have all been moved into the Bangkok Area Division 2013Singburi have all been moved into the Central-West Region 2013 Nakhon Sawan Latyaowitthayakhom School ?
[9] Bunsom martin Stadium Note: Flags indicate national team as has been defined under FIFA eligibility rules.