The purposes of the research were to 1) Develop and find quality of online lessons together with the CIPPA Model learning management in Computational Science course. For students in Grade 7/6 2) to determine the effectiveness of online lessons in conjunction with the CIPPA Model learning management in computational science courses; 3)  to compare the learning achievements before and after learning as well. Online lessons together with CIPPA Model learning management in computational science course 4) to study student satisfaction with online lessons together with CIPPA Model learning management. The sample consisted of 30 students in Grade 7/6 students at Princess Sirindhorn's College 1) e-learning lesson 2) achievement test 3) student satisfaction questionnaire The statistics used in the research were mean, percentage, standard deviation and statistical comparison.