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Justin attended Avon Public School (k-6), then Downie Central Public School (k-8) and has been tutored at home and on the road by a private tutor for high school.  He has not attended a high school campus.  Both of the schools mentioned above are in Stratford, Ontario, where Justin B. Grew up.  St. Michaels Catholic Secondary School is … Read more
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Justin attended Avon Public School and Downie Central Public School, both in Stratford, Ontario.  He has not attended high school.  He has had a tutor who travels with him for his high school education.  Both schools mentioned above are K-6 schools.  It appears to be unclear where Justin went to school for 7th and 8th grade.
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Justin Bieber has 3 "best friends" that he grew up with in Stratford, Ontario:  Christian Beadles, Chaz Somers, and Ryan  Butler.  Justin B. Often flies Ryan Butler to Atlanta or other places where he is touring at.  It appears that Ryan is his "best friend" out of the 3 best friends.
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No.  Mormons don't wear a cross around their neck.  Cross' are not a part of LDS/Mormon culture.  Instead they use the symbol of Gabriel (angel) blowing a trumpet skyward.  Since JB always wears a cross and no self-respecting mormon would wear a cross, you get the picture.