One of essential goals of Thai education system is to instil and foster morals and ethics as the foundation of internal qualities for students and to enhance their ability to apply competences or desirable characteristics such as compassion in order to cope with situations, environment, and various contexts in society, both directly and indirectly. The purpose of this study was to investigate the characteristics that are associated with compassion and affect the development of learning model that promote compassion among late adolescents. A questionnaire was used as a research instrument to collect data from 330 Thai students who enrolled in the high schools under the Office of the Basic Education Commission, Office of Vocational Education Commission, and under the Ministry of Higher Education, Science, Research and Innovation, along with in-depth interviews. Most of the results showed that empathy was the most connected to compassion in such a way that we have a genuine and deep understanding of the feelings of others. In the future, the results of this research will be used to synthesize, design and develop learning activities or framework that promote compassion among late adolescents.