EDIT: I completely forgot to mention that this is in a local dedicated server (same as solo play but using the server package to have the world persists a bit more.)
This is the new… ahem… “Hiring Office” I built near the black ship (don’t judge me, I need better thralls at this point
)
It’s the sixth base now… (I built a “hiring office” near the summoning place too
but that one looks bad )
For now it’s all sandstone because I just finished it… but now comes the upgrading process 
The interior is not finished yet, but it already has the proper accommodations for the sl… ahem, I mean the “students” 
And I have a T3 “teacher” supervising the whole operation already 
Of course, the circular room with the big pointy thatch in the middle is the where the wheel… ahem, I mean the big central “class room” is 
EDIT: After I finished placed all the foundations I realized I have a big hairy and many legged neighbor lol Hope she doesn’t mind me taking a bit of her lawn for my “university” 
BTW, I have the biggest luck in picking all the places nearby world bosses… without realizing it 