The school is an educational institution that develops students' potential by improving the character of the educational process throughout the learning environment, including the environmentally conscious character. However, student behaviors have not reflected their concern for the environment. One of the Indonesian Ministry of Environment's…

The relationship between spatial conceptions and students' spatial abilities is still rarely studied specifically, even though this is the basis for students to think in learning geometry. This paper aims to explore spatial abilities and the development of spatial ability theory, discusses the relationship between spatial conceptions in students'…

One of non-cognitive factors which has not been optimally explored in supporting academic achievement was self-disclosure. To overcome that problem, the purpose of this study is to examine the relation between students' self-disclosure to their parents and the mathematics score achievement in the Computer-Based National Exam (UNBK) program. This…

English across curriculum has been of world-wide practice, including in Indonesia. Through a blended curriculum (a synergy of national and international frameworks), some schools have put this program into action within the context of CLIL (Content-Language Integrated Learning). This correlational study is intended to find out the correlation…

This study aimed to develop a survey instrument to measure student attitudes towards mathematics teaching-learning processes that is appropriate for the Indonesian context. This study consisted of two phases: Phase 1 (n = 320) was a pilot study to assess the suitability of the instrument items for Indonesian students. Phase 2 (n = 1001) was…