Dr.Thassanant Unnanantn, Head of the English Department, Faculty of Education, Suan Sunandha Rajabhat University, supervised the teacher training at Prachanivej Secondary School. The teaching and learning atmosphere was warm and lively. The students organized English language learning activities that emphasized student participation through competitive games and online games to review vocabulary, as well as group activities where students divided tasks, worked together, and presented their work in front of the class. This took place on June 4, 2026.