Mr. Phuritat Sukanantachai from Triamudomsuksa school received gold medal, and Miss Pichamon Asawaphadungsit, Mr. Pachapol Thadawasin and Mr. Sanprem Techawichien  from Triamudomsuksa school received silver medals at the 50^th International Chemistry Olympiad, held at Bratislava, Slovak Republic  and Prague, Czech Republic during 19-29 July 2018.

Also at the 49^th International Physics Olympiad, held in  Lisbon, Portugal during 21 – 29 July 2018,  Mr. Akrawit Nakprasert from Triamudomsuksa school received gold medal , and Mr. Itthipatpol Chaipatanakarn , Mahidolwittayanusorn school, Nakhon Pathom Province, Mr. Lapas Premcharoen, Kamnerdwitya school, Rayong Province,  and Mr. Yanwarut paratipcharoenchai  together with  Mr.Pacharapol Leenukiart from Triamudomsuksa school received silver medals.