educational attainment ratio

例句：

1. 1.The school's performance in the national exams has a significant impact on its educational attainment ratio.
   该校在全国考试中的表现对其教育成就比例有重大影响。
2. 2.The government is working to improve the educational attainment ratio of its citizens.
   政府正在努力提高公民的教育成就比例。
3. 3.The research shows that students with higher educational attainment ratios tend to perform better academically.
   研究表明，教育成就比例较高的学生在学业上表现更好。