The content about the handwritten newspaper for the High School Entrance Examination can be expressed as: \The content related to the handwritten newspaper of the High School Entrance Examination\
It is a straightforward translation that conveys the meaning accurately.
Another possible expression could be: \The contents concerning the handwritten newspaper for the Middle School Entrance Examination\This phrasing is also clear and understandable.
You can choose the one that suits your context or preference.
