Yet rather than empowering teachers to find what works best for their students, the policy imposes a flat, across-the-board rule
解答:to find what works best for their students为动词不定式短语作teachers的宾语补足语【结构为:empower sb to do sth授权某人去做某事】。what works best for their students作不定式to find的宾语从句,连词代词what引导宾语从句并在宾语从句作主语成分,works为宾语从句谓语动词,best为副词作方式状语修饰宾语从句中的谓语动词works,介词短语for their students为宾语从句对象状语成分。
不定式短语和宾语从句语法结构分析如下