What's the most expensive Uni?

Could you please clarify what you mean by "Uni"? If you're referring to universities, then the answer to "What's the most expensive university?" can vary depending on various factors such as location, program, and even the level of funding available. However, some universities are known for their high tuition costs, such as Ivy League schools in the United States or elite universities in other parts of the world. It's important to keep in mind that these costs can also vary depending on the student's nationality, citizenship, and other factors. Additionally, universities may offer scholarships, grants, and other forms of financial aid to help offset these costs for eligible students.