How do I change networks on Facebook?

Right now I am on the Philadelphia, PA network. I would like to change it to my schools network, but every time I try to change it facebook tells me that my network is invalid. The only problem is that I have friends that are on the exact network I am trying to join. How do I fix this?How do I change networks on Facebook?
Step 1

Sign in to your Facebook account.

Step 2

Click ';account'; in the top right corner, then click on the ';networks'; tab.

Step 3

Choose a different network than your current one, and click ';make primary.';

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