In Education 4.0, it is expected a personalized learning process andthat students are the protagonist. In this new education format, itis necessary to prepare students with the skills and competenciesof the 21st Century, such as teamwork, creativity, and autonomy.In this context, this paper aims to present the outcomes of a surveyabout the high school teachers’ experiences with online activitiesduring social distance provoked by the COVID-19 pandemic. Thus,this survey can help understand the experiences and degree of difficultyof high school teachers when using technological resources inonline classes in the period of social distance. Moreover, we investigatedthe skills and competencies of the 21st Century perceivedby teachers in students. The outcomes showed that many teachersfelt difficulties to use technological resources. Besides, some of theteachers noticed in students skills of the 21st Century, includingconcentration, autonomy, and motivation.