During the academic year of 2012, these TNI students had enrolled in a compulsory English course. However, English is generally a subject, not a medium of instruction across disciplines in their academic programs at the university unless the programs are carried out by the foreign teachers. The English for these TNI undergraduates’ students is scheduled only in the second semester (from October through February) of their first academic year. There teachers are basically lectures of general English who have been teaching experiences for many years and who are required to teach the English course in engineering and business fields during the 2012 academic year. These ten Thai teachers, working in Department of English Language at the college of general Education and Languages are responsible for teaching grammar, vocabulary and reading. The four foreign teachers take listening and speaking parts.