Please click at LINK to access the video tutorial available at the Apple Website for the step-to-step Guide.
Parents are strongly encouraged to maintain the Administrator's rights; and help their children to manage their online activities. The school suggested parents to set limits to the access hours to the learning device.
Correct as at 28 December 2011
The following applies to Macbooks running in "Lion OS".
For macbooks with operating systems older than "Lion OS", they may experience login issues when attempt to login to secured sites.
You may also refer to the video clip at Apple's Website on Parental Control Setting: