We suggest that you scan your collage work which was left on the walls from yesterday (for your individual portfolio).
Kilian posted the following technique on how to do that with the A1/A0s on Facebook:
Use tracing paper to overlay the collage, making both sides smooth. This is so that the scanner in the print room doesn't rip the loose pieces of paper in the feeding process.
I'm pretty confident that tracing paper comes out transparent in the final scan, but you can always edit the contrast in photoshop.