10.18170/DVN/B6HK6Y China Institute for Educational Finance Research(Peking University) Peking University Open Research Data Platform 2024 The purpose of "CIEFR-HS2017_update" is to: 1. Correct the old version of pline to the new version of plind_order; Add the new version of pline to facilitate merging with CHFS 2017 based on hhid and pline for further analysis. 2. Match the personal IDs of parents of children under 18 and students aged 18 and above who are still in school, in order to match parents' background information (such as education level, work, etc.) with children. China Institute for Educational Finance Research(Peking University)