Due to covid, polarization within the Korean economy is getting worse.The gap between private and public education is widening. In particular, ordinary people are worried about the cost of private education. The more money we sepnd on education, the more able students become. In Korea, competitive supremacy is still gaining momentum. There is no sign of any changes in the school field. As digital education is accelerating, free education is spreading. Actually, so many edu-tech start-ups have appeared. Among them, there are a lot of AI edu-tech startups. In this era, we have to learn about 'cognitive skills' and 'human meta-tech philosophy'. In the future, due to digitalization, there are three important points: speed, the impact of structure and scope. We have to think of these elements deeply.