MOE organized a royal merit-making ceremony on the 50th day to dedicate merit in honor of Her Majesty Queen Sirikit, the Queen Mother, on the occasion of the 50th day following Her passing.

On December 12, 2025, Asst. Prof. Sirida Burachat, Ph.D, the director of the National Institute of Educational Testing Service (Public Organization), or NIETS, assigned the deputy director (Saitong  Paugsuntear, Ph.D) and (Warunee  Liewwiwatchai, Ph.D), along with executives and official officers, participated in a royal merit-making ceremony on the 50th day to dedicate merit in honor of Her Majesty Queen Sirikit, the Queen Mother, on the occasion of the 50th day following Her passing. In this event, the political officials at the secretariat of the Prime Minister and the spokesman of the Ministry of Education (Acting Sub Lt. Thanu Wongjinda) presided over the ceremony along with senior executives, government officers, and personnel of MOE at the Teachers Council Hall Auditorium Building, Ministry of Education.