Princeton Theological Seminary has a couple of different opportunities for you to check out:

For prospective students:
http://www.ptsem.edu/Student_Life/Admissions_and_Financial_Aid/Admissions/index.aspx?id=1677&menu_id=142&admpg=4723

For multicultural students:The L.I.V.E. [Learning, Inclusion, Vitality, and Exploration] Symposium: 
Making Room at the Table
our.ptsem.edu/ics/Campus_Life/Multicultural_Relations/LIVE_Symposium.jnz

PCUSA Internship and Fellowship
for Public Witness
http://gamc.pcusa.org/ministries/washington/internship/