Schools as we know them will no longer exist.这句话正确吗

问题描述:

Schools as we know them will no longer exist.这句话正确吗
as 引导定语从句不是应该这样吗:School as we know will no longer exist.

将them 去掉 as 意思 作为 或者 as 引导从句 替代了 schools