(1)How old can the children go to school? 
(2)What benefits are brought by education costs?

Education costs bring benefits

The number of schools in the city has increased from 536 to 1,117 last year while student numbers have risen, （ rise 上升） too.

Three of the city's six districts （地区） have been ranked （列为） among the top educational institutions ( 公共机构 ) in Guangdong Province.

The five years from 1997 to last year saw rapid （迅速的） growth in the educational sector （部门） spent to bring Shenzhen into the nation's top list in terms of educational facilities （设备） and environment （环境） .

From the year 2000, the city has allowed schools to admit （允许） children at six years old. It also set up eight international schools for children of foreigners and people from Hong Kong and Taiwanese living in the city.