The purpose of this study is to inspect the possibility of changing teacher-centered language learning into learner-centered one emphasizing learner’s interaction with self-directed learning contents available on-line for high school students. This study is to develop onㆍoff blended contents and apply them into classroom environment. It also discusses the kind of contents teachers and learners want to use. Reading parts for each lesson are usually dealt for three class hours in high schools. So it is designed that the first and the third period are done through off-line classroom and the second, on-line. Well-linked with the first and third period, on-line contents for the second period were designed, developed and applied into educational environment. More than expected number of teachers and learners were pleased with on-line contents reaching 80~90% of high level in satisfaction and also showed 65% reaching learners’ interaction rate in off-line classroom. If on？off blended learning model is well structured based on enough researches, it will realize its strong potential as a desirable learning model for reading.