Lock Google SafeSearch
Please turn SafeSearch On to prevent inappropriate content on Google or Youtube from displaying.
Access the Google Admin Console（admin.google.com)
Click on Chrome Browser Management on the left. Then click User & Browser Settings.
In Contents > SafeSearch and Restricted Mode
Select Always use SafeSearch for Google Web Search queries.
Select Enforce Strict Restricted Mode for YouTube
https://gyazo.com/af1da817c99a30cc658903c460d6d47e