Rajabhat Suan Sunandha University Demonstration School, led by Associate Professor Dr. Sumalee Thianthongdee, Director of the Demonstration School, congratulates outstanding student Achawin Mungmanakit, a 5th grade student,
who received a certificate for passing the Mathematics Subject Elementary Level G.5 criteria from the Thailand Educational Development and Evaluation Tests Program (TEDET).
November 20th, 2025
