Focus and Scope of International Journal of Theory and Application in Elementary and Secondary School Education (IJTAESE) is research, study and analysis related to early childhood include: 1. Child development; The topic covers child development especially grade 1-9 for school, emotional development, moral development, intelligence, 2. Cognitive psychology; The topic covers but not limited to short term and long term memory, perception (visual and auditory), working memory, visual memory, auditory memory, attention, local reasoning (inductive and Deductive). 3. Sociology to school learning and teaching; The topic covers but not limited to the social integration of education, socialization, Social Placement, social and cultural innovation. 4. Methodologies of teaching and learning; The topic covers but not limited to the Teaching method in Digital Revolution 4.0, metacognitive teaching method, cooperative teaching method, student center learning, assessment in learning and teaching. 5. Technologies of teaching and learning; The topic covers but not limited to Teaching technology in Digital revolution 4.0, distance and online learning, evaluation of distance learning, the effectivity of distance learning 6. Curriculum review and research; The topic covers but not limited to curriculum and instruction, curriculum development, curriculum evaluation, support element of an effective curriculum. 7. School and community-based management. The topic covers but not limited to school-based management, parent participant on School-based management, school community relation, community development (economical, social and physical). The topic also opens for high-quality studies of teaching and learning processes, school leadership and policy, instructional methods and programs, assessment practices, and advances in learning technologies, especially in elementary and secondary school education. The Editors encourage the submission of a variety of manuscripts: reports of empirical research, including experiments, quasi-experiments, case studies, ethnographies, design research, and surveys; philosophical or historical analyses; integrative literature reviews and theoretical analyses.