NIETS managed the 4th Test of English Communication in the Workplace (TEC-W) of 2025.

On Saturday, September 6, 2025, the National Institute of Educational Testing Service (Public Organization) provided the 4th Test of English Communication in the Workplace (TEC-W) of 2025, conducted through a digital testing system at testing centers nationwide.

NIETS is scheduled to announce the results on September 16, 2025. Participants who score 85% or higher may submit their results to the Teachers’ Council of Thailand for equivalency recognition in the English major subject area as part of the Professional Teaching License requirements. Additionally, the test results can be used to shorten the qualification timeline or support advancement in academic standing, in accordance with the regulations of the Office of the Teacher Civil Service and Educational Personnel Commission (OTEPC). The TEC-W results may also be used for other relevant purposes. For the schedule of the next round of TEC-W assessment and further details, please visit the NIETS website.>> (Click to view the TEC-W examination schedule.)