Substandard

They are only allowed to attend substandard schools.

"This decision will save countless elephants from being ripped away from their families in the wild and forces to spend their lifetimes imprisoned in substandard conditions at zoos," the Humane Society International said Sunday.

You'll hear this a lot in Australia as well, though it may be treated as substandard.

In Algeria, corruption in the construction industry led to substandard housing and inflated prices.

They built this with substandard parts. No wonder it collapsed.

Nettie describes the takeover of village after village by white men who intend to use the land and people for exploitative purposes without any regard or compensation for the villagers (who once had a strong sense of themselves) and who are then made to work the land for substandard wages.

[...] the fence provided by NR was substandard and poorly maintained, such that unauthorised access to the railway was straightforward.