This is the 12726th most frequent Korean word.
대학수학능력시험에서는
It means "in the College Scholastic Ability Test (CSAT)."
The word '대학수학능력시험에서는' indicates the contextual setting of the action, emphasizing the specific condition or venue of the test for the sentence.
대학수학능력시험에서는 모든 학생들이 자신의 능력을 최대한 발휘해야 합니다.
In the College Scholastic Ability Test, all students must try their best.
Here, '대학수학능력시험에서는' sets the stage for what is required or relevant to succeeding in this particular test.
대학수학능력시험에서는 철저한 준비가 성공의 열쇠가 됩니다.
In the College Scholastic Ability Test, thorough preparation becomes the key to success.
In this context, '대학수학능력시험에서는' directs attention to challenges particular to this specific event or occasion.