educational level

例句：

1. 1.The educational level of the students has improved significantly in recent years.
   近年来，学生们的教育水平有显著提高。
2. 2.The school's educational level is considered to be among the best in the region.
   这所学校的教育水平被认为是该地区最好的之一。
3. 3. The educational level of the students is directly related to their academic performance.
   学生的教育水平与其学业成绩直接相关。