Where can I find non profit cases to practice? BCG gives a lot of them in interviews. Also, how should one approach such cases?
You should check out Bridgespan website. McKinsey site also has a case example on social sector.
Related BootCamp article(s)
Is it a red flag to not be MECE in your structure in a first round interview? What are the red flags in an interview, especially with an MBB?