Nation ( 2548 ) as the article said, the popularity of sending their children to schools . In such schools , hoping to be able to get entrance in top universities result. " Cram schools " become a rising star with a bright future . Make a tutorial school . The accelerating expansion covering Bangkok and branch out to major cities such as Phuket, Chiang Mai , Chon Buri , Nakhon Ratchasima Thailand .