Ireland is known to have one of the highest quality educations in Europe. Ireland remains 19th overall out of 50 countries in the higher education systems of 2018 Universitas21 Ranking. Its position this year is based on a score of 64.8% compared to the performance of top-ranked United States across four main headings of resources, environment, connectivity, and output. Every child in Ireland is entitled to free, state-run primary and post-primary education. While primary and post-primary education is free, there are several costs involved. The main ones are uniforms and books.