The goals are: to develop and discover efficiency of online lessons of online lessons of the sufficiency economy philosophy For sustainability of learning to meet with criteria at 80/80 and to study satisfaction level of students by using online lessons of online lessons of the sufficiency economy philosophy For sustainability of learning. The target group herein was 40 students who studied in Academic year of 2014 and interested in online registration. Target group was determined by using purposive sampling. Tools used in this research were 20 items of post-test contained in online lessons, student’s satisfaction evaluation form towards online lessons usage. Data analysis was conducted to find efficiency of online lessons as defined by criteria at 86.50 / 86.00 and student’s satisfaction level towards online lessons usage of 40 students. The obtained mean was 4.56 and standard deviation was 0.64. The results showed that the efficiency of online lessons of the sufficiency economy philosophy was at 86.50 / 86.00 that was higher than defined criteria at 80/80. In addition, Overall satisfaction of target group was in the highest level with the mean of 4.56 and S.D. at 0.64.

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