On February 25, 2023, the English Program organizes the Post-Test for special learning programs on Saturdays. which is the last week of teaching Before the final examination of the second semester of the academic year 2022, which the director of the Demonstration School Associate Professor Dr. Somkiat Korbuakaew and lecturers in charge of the project Visited the Posttest exam this time, which students had to take a written examination with a European standardized exam (CEFR) and interviewed by a foreign teacher. It turned out that the student's overall test results passed at a satisfactory level. and English classes on Saturdays It is held every academic year. Open for applications only for Suan Sunandha Demonstration students. from grade 4 student  to grade 9 student only