The purpose of this study is to identify teacher competencies in applying 21st century learning and other competencies that teachers must have in dealing with millennial generation. The research method used in this research was descriptive quantitative. The population of this study was the teachers of the Construction Technology Study Program teachers from 7 Vocational Schools in Bekasi, Depok and Jakarta. The sample of this study was 47 people. The results showed that almost 100% of teachers used technology for learning. The method used is discussion to improve critical thinking through Problem Based Learning (PBL) learning models, Project Based Learning (PjBL), Contextual Learning, Cooperative Learning models. To improve communication and collaboration, teachers give assignments in groups and are discussed and presented. And to increase creativity, teachers provide freedom to find learning resources. In other words, that the teacher has applied 4 C (communication, creativity, collaboration and critical thinking) in learning. However, teachers need training and mentoring to improve competency skills.
Keywords: 21st century learning, competence, millennial generation