Brillo Journal is a scientific, peer-reviewed and open-access journal managed and published by S&Co Publishing, Jakarta, in June and December. It aims to be an open-access journal platform that publishes and disseminates ideas and researches on education. Its focus is to publish original research (quantitative or qualitative research, classroom action research, development/design research are top priorities) or library analysis on how students learn at the primary, secondary or undergraduate level. The scope of this journal is: (1) Mathematics Content in Pedagogy, (2) Learning Model and Approach, (3) Ethnomathematics, (4) Didactical Design Research, (5) Technology-Assisted Learning. Brillo Journal covers a broad range of areas related to education in schools, universities, vocational institutions, early childhood settings and the community. It will be concerned with formal and informal education in multiple contexts with a particular focus on students, teachers and parents, their social interactions and the political contexts in which they are embedded. Brillo Journal will be eclectic, which will support a full range of research methods that address critical and significant issues. Specific topics include (but are not limited to): Online-based academic activity, Synchronous and asynchronous learning, Face-to-face online learning, Student assignment in the learning system, Student psychological in online learning