these incentives include smaller class size shorter class teaching time a stipend in addition to the salary an opportunity to choose the next school of assignment and advantages for the promotion to administrative positions preferred as the final stage of the teaching career kang and hong however at the same time it can have unintended consequences widening the gap between students from different socioeconomic backgrounds particularly disadvantaged students may not have parental guidance and support to do homework a quiet place to study at home and time allocated to afterschool learning due to family and other responsibilities oecd a a schools can therefore work with parents to encourage their involvement with children at home and help parents to better support their children with school work