The purpose of this study is to develop an inquiry learning model based on google classroom to improve student learning outcomes in the subject of informatics. The research was conducted at SMK Negeri 7 Semarang by taking the research samples were students of class X TJKT 2 using purposive sampling technique. The method used in this study is the ADDIE research and development model. The results obtained are (1) the implementation of the material in the google classroom in the inquiry learning model by using the features announcement, assignment, quiz assignment, question, and material; (2) the results of the validation of the inquiry learning model by media expert validators and material expert validators are considered very feasible. This is based on the scores obtained each of 87.4 7% and 88.63%; (3) the developed inquiry learning model is considered very practical to be used by teachers and students with scores of 84.6% and 87.6%, respectively; (4) the learning model developed is effectively used, this is evidenced by the results of the analysis of the paired sample t -test which obtained a value of t = 5.987 with a sig value of 0.000 < 0.05. Thus, inquiry learning based on Google Classroom has a significant effect on improving learning outcomes for informatics subjects. The overall results show that the inquiry learning model developed based on google classroom is considered very feasible, very practical, and effectively used to improve student learning outcomes in informatics subjects.