The universities that can be tested in vocational high schools are as follows: some universities have independent enrollment plans, and some universities have independent single enrollment plans.

1. Independent enrollment plan of some colleges and universities: Some colleges and universities will set up independent enrollment plans for vocational high school graduates to participate. These plans require candidates to have a certain comprehensive quality or special academic ability, such as Tsinghua University's independent enrollment plan.

2. Some colleges and universities set up independent single recruitment plans: In order to attract outstanding vocational high school graduates, some colleges and universities will set up separate single recruitment plans. For example, some well-known universities, such as Nanjing University, Southeast University and Xi Jiaotong University, all have one-way recruitment plans.