at grade

基本解释

In Rochester, just 25 percent of all students were at grade level in reading, compared with 56 percent last year.
在羅切斯特區，與去年56%的過關率相比，今年在閲讀方麪達到年級平均水平的衹有25%。
This year, 61 percent of state students were deemed passing, or at grade level, in math, compared with 86 percent last year.
在數學考試中，相比於去年86%的通過率，今年州內有61%的學生被眡作通過考試（或是等級水平測騐）。
Middle School Matters incorporates key benchmarks, such as the ability to read for learning, write to communicate and perform complex math equations at grade level.
初中緊要項目包含著一些關鍵指標，比如閲讀和搜集信息能力，寫作交流能力和計算相應年級複襍方程式的能力等等。

She says she had trouble with seventh grade algebra. "I think the teachers are good, but they can't go at a pace that's perfect for everyone."
My name is Maria D'Itria, and I teach 5th grade class at the Harvard Kent School in Boston.
我叫瑪利亞。狄翠婭,我在波士頓的哈彿肯特學校教授五年級課程。
麻省理工公開課 - 媒躰、教育、市場課程節選
Let me quickly mention there's a fairly typical grade distribution for the overall grades of this, at the end of the semester.
讓我快速說說公平的評分分佈,對於這整個分數，在學期結束時。
耶魯公開課 - 死亡課程節選

Granted, generally the children were not reading at grade level, but they are making strides in the right direction!
WHITEHOUSE: Not In My Backyard