2.29 is considered medocire in terms of gpa's. It likely won't get you admissions to any worth-wild college (Havard, Standford, Oxford, Yale, Princeton, ect...) unless you get at least a 4.0 on your LSAT's.
It might.
the average GPA is around 4.15
freshmen admitted (48%) had 4.01 GPA. enrolled had 3.85, transfered had 3.14 mean GPA
It depends on the context. A 2.68 GPA is average, but not desirable to colleges.
what is the required GPA for entering uwoshkosh
D
That you are not getting into a decent College.
Grade Point Average
B-
490
It's not a shoe-in, but it's certainly plausible. It depends what the 3.9 GPA consists of - if most of courses are of the highest levels possible at your school, then your chances are better.
Your question is ambiguous. Assuming you are asking "what is the average GPA for high school students admitted to Vanderbilt Undergrad", according to collegedata.com, the average GPA for those who have applied so far for the Undergraduate class of 2015 is 4.14 weighted and 3.74 unweighted. if your question was "what is the average GPA of Vanderbilt undergrad", I believe it is around 3.2