Depends on the type of program she is trying for. If her goal is a practical school to then go for license she should focus on showing hand drawings and illustrations of the basic building parts:
Plan, Section, Elevation, Axonometric
Since she's coming from overseas she can afford to be a bit more creative because most likely she's going to have to do a 2 year or even 3 year Master's, I doubt they're going to accept a lot of her stuff.
Here is my portfolio and a few portfolios of friends of mine, I finished the degree in Architecture but do more graphic design work:
A lot of my friends don't have any online portfolio I can show you but that should help. If you're stuck on the actual creation and ideas for the portfolio drop me a line and I can offer you more personalized advice. I taught the portfolio design course back when I was in university after the instructor realized I knew more than he did about graphic design and print.