Research on school children typically focuses on various aspects of their development, education, and well-being. This may include studies on their cognitive, social, emotional, and physical development, as well as their academic achievements, learning styles, and behaviors. Researchers may also explore factors that influence school children's academic success, such as family background, socioeconomic status, and school environment. Additionally, studies may examine interventions and programs aimed at improving educational outcomes and promoting the well-being of school children.