Such curricula have attracted enrollment by several key figures in politics, economics and social spheres.
The popularity of the courses, however, initially spurred doubts about the academic standards of the programmes. However the doubts were cleared after the Office for National Education Standards and Quality Assessment certified the courses.
"These curricula, particular 'Chao Sua', are well-received. There have already been 10 classes set up," said Mr Charnchai, 64, the architect of the programmes.