The lesson study is very crucial to make the success of teaching learning process. The research aims to analyze the lesson study as the effective model of teacher training for improving the quality of education. This research used an approach of descriptive-qualitative phenomenology and the research design used the modified classroom action research-based on lesson study. The place of research is in Muhammadiyah PK Kota Barat Elementary School Surakarta, Indonesia. The research subjects were 30 students and 10 teachers at the PK Muhammadiyah Elementary School, while the informants are: the teachers, principals and supervisors. The data gathering employed questionnaires, interviews, and observation. The data analysis used the first order understanding and second order understanding with an interactive model, including data reduction, data display and conclusion/verification. The research results are: 1) Model of effective teacher training for improving the quality of education involves the cooperative and collaborative approaches through three main activities are: a) Workshop, b) Training, and c) Model teacher mentoring. 2) The effective model for improving the quality of teacher learning is "Modified Lesson Study Model". 3) This research also finds training that can be applied from the real state, from the simple to the more complex, and the implementation of the quality improvement strategies use cooperative and collaborative demanding the role of teachers to have better understanding.

Natural disaster management efforts are critical, especially in disaster-prone areas. One of them is carried out through education in schools. This study aims to implement disaster mitigation teaching media, analyze and compare the effectiveness rate of these implementations in Klaten Regency. This study was carried out quantitatively using the one-group pretest and posttest design. Respondents were determined by purposive sampling based on the location of schools in areas prone to natural disaster in the Klaten Regency. They consist of 704 students, 291 students were respondents of intracurricular learning, and 413 students were respondents of extracurricular learning. The study results showed that of all instructional media applied in disaster mitigation learning strategies, five learning media had the best effectiveness, namely volcanic mock-ups, animated videos, presentation slides, supplementary books, and posters. Furthermore, there were differences in the effectiveness of implementation, namely in intracurricular including volcanic mock-ups by 37.5%, earthquake video by 24.8%, landslide video by 25.7%, and floods slide presentation by 59.9%. Extracurricular include volcanic eruption video by 41.6%, earthquake video by 27.3%, floods supplementary book by 35.3%, hydrometeorological poster by 46.7%. An interesting finding was that the effectiveness of learning strategies with advanced digital media was not better than other simpler instructional media.