Complex sentence: The university is the first Thai higher education institution rated under the QS Stars System for Excellence in Higher Education; it has become one of the top 20 universities in Thailand based on the Webometrics Ranking of World Universities.
Split into simpler sentences: The university is the first Thai higher education institution rated under the QS Stars System for excellence in higher education. It has become one of the top 20 universities in Thailand based on the Webometrics Ranking of World Universities.