Answer:
A good place for a middle school student to research the teachings of ancient Chinese philosophers on family relationships would be in books or articles specifically written for a middle school audience. These sources may be more accessible and easier for a middle school student to understand than more advanced academic texts. The library or a teacher or librarian may be able to help the student find appropriate sources.
There are also many online resources that a middle school student could use to research ancient Chinese philosophy. Some websites that might be helpful include:
Encyclopedia Britannica: This online encyclopedia has a number of articles on ancient Chinese philosophy that may be useful for a middle school student.
Ancient History Encyclopedia: This website has a number of articles on ancient Chinese philosophy, as well as other aspects of ancient Chinese history.
The Metropolitan Museum of Art: The Metropolitan Museum of Art in New York City has a number of online resources related to ancient Chinese philosophy, including a section on the philosophy of the Chinese philosopher Confucius.
China Highlights: This website has a number of articles on ancient Chinese philosophy, including profiles of key philosophers and explanations of their teachings.
It is also possible that the student's school library or a local public library may have books or other resources on ancient Chinese philosophy that are suitable for a middle school student. A librarian or teacher can help the student find appropriate sources