Please check a paragraph in my essay

Secondly, a very unique characteristic of the American higher education system is that develop personal potential and value freedom in education. America is famous for the Statue of Liberty, this education also follows the "dream of freedom"; thus, American education appreciates the self-exploration and differences of each individual. Perhaps for that reason, that country trains a lot of genius, According, to Forbes statistics in 2016, the whole world has 1810 billionaires, of which the number of American billionaires accounts for 93% with 1694 people. More notably, among the 10 richest people in the world, only 3 are non-Americans. Any school in the U.S enhances the creativity and self-reliance of the student, not the mechanical copying or learning of what the teacher teaches. They do not need to try to develop in the direction of anyone that they are expected to learn according to their own abilities and interests. In each lesson, instructors only suggest each aspect's advantages and disadvantages for students to discuss and express their idea to discover new issues in the book. To be confident and persuasive in disputation, students must learn, refer to documents, promote their strengths. Each individual sets their own learning goals and is best facilitated by the school to do so. therefore, if the teacher is rigid, and imposes their thoughts, students are prone to losing their own creativity. Besides, students also learn to keep their own opinions while respecting the opinions of others. This way of education ensures that all learners are provided with a good educational foundation and also makes it easy for students to develop their personal orientation. According to The Programme for International Student Assessment coordinated by the OECD currently ranks the overall knowledge and skills of American 15-year-olds as 31st: