Public universities in America are generally divided into community colleges, state universities and state universities. Community colleges and state universities exist in every state and belong to ordinary universities, while state universities do not exist in every state. But there are usually many state universities, which doesn't matter. For example, California has at least three in the San Francisco area. State University is a famous university in California. It has many branches, belonging to an expanded system and a school board. It has at least five branches in the top 50 in the United States. The source of funds is similar to the government's money, but the self-raised money can't compare with the state university. It can be said that it is a world of difference. From the point of view of tuition, for example, the annual tuition of California State University is about 15 thousand, while the annual tuition of California University is about 38 thousand. The best public university in America is in California.