This paper reports the projects that Tokyo National College of Technology(TNCT) has conducted in the yearof 2009, funded by the Institute of National Colleges of Technology, Japan, under the title of!Improvinginternationality of the Kosen". The projects focused on two main categories. They are: (1) a pre-introductorycourse for the prospective overseas students before entering national colleges of technology and (2) developing jointeducational programs for both overseas students and Japanese tutor students. Both programs were highlywelcomed by the participants. In this report, we show the details of each project and evaluate them by showing theresults of the questionnaires conducted at the end of each program.