The school held a ceremonial pillar raising on Thursday morning.
The school released a series of renderings on Friday.
The suit claims the workers ran to save themselves instead of warning people about the leak.
A man is standing outside the grounds soliciting gifts for the school.
The Upper School isn't safe enough to hold classes right now.
The Walk for Unity drew students, staff, and supporters
Bryan Duffey was in a critical condition, but is now recovering.
A GoFundMe account has been set up to help the families of Ruth Berg and John Carlson.
Two staff members died in the blast, and one remains in a critical condition.