Regardless of whether you are considering iEDGE or EDGE, whether your parents are believers or not, involving them in your process is crucial. Here are a few pointers to help you think about this crucial conversation with your parents.
The Biggest Barrier to Students Going to the Mission Field by Kim Ransleben on Desiring God website
Minimize Student Debt, Maximize Christian Mission by Alex Chediak on Desiring God website

Advance the gospel, make disciples, and mature in Christ, overseas.