No its not bug..
You just need talk to Ruth to trigger the event..
The dialog box will say, "Wait for Miracle"..
Then just wait..
I'm stuck here too. I tried talking to Jimmy at the lake and Ruth in the teachers lounge but nothing happens, the dialog box just says "leave".
From the Patreon page:
Altos and Herdone
Read the files in the recycle bin of the headmasters computer.
