Third place went to Mahidol University International College students.
The champion team consisted of Arphaphorn Thangkritsanakhajorn, who was crowned as best speaker, Chayaphat Thongcharoen and Motogi Laksmiwattana.
The runner-up team was Thatchaphol Phetwara, Miga Aphichartsakol and Natthaya Khusuwan.
Stamford International University came out tops in the Rookie Championship, followed by Chiang Mai University.
Prince of Songkla University’s Phuket campus and Nakhon Ratchasima Rajabhat University shared the third prize.
Wells International School bagged first prize in the upper secondary school category. A team from Triam Udom Suksa School snared the second prize while Assumption College and another team from Triam Udom Suksa won the third prize together.
The debate was hosted recently at Khon Kaen University with support from the European Union. Fifty teams from 17 institutions across the country participated in the English-language debate tournament.