The phrase "achievement across" is correct and usable in written English.
It can be used to describe accomplishments or successes that span different areas, fields, or contexts.
Example: "The conference highlighted the achievement across various sectors in sustainable development."
Alternatives: "success throughout" or "accomplishment in".
Education officials celebrated achievement across nearly every category.
[Excerpt] What causes differences in secondary school achievement across these four nations?
A team effectiveness factor is calculated by averaging total quota achievement across the number of salespeople on the team.
Thus, FR was the only predictor of future math achievement across a wide age range that spanned primary school and secondary school.
Examinations are necessary for assessment of student proficiency in medical education, but comparison of achievement across different cohorts in different tests is challenging.
"Maximus has a stellar record of achievement across the nation, and we believe that's why they were chosen for the contract," she said.
Organisers said the prize was given to an outstanding museum that, in their view, had shown exceptional imagination, innovation and achievement across the preceding 12 months.
This year, we intend to add a new emphasis to the discussion by documenting and contextualizing Roma creative and artistic achievement across a range of domains.
Overall, the international evidence provides little confidence that quantitative measures of expenditure and class size are a major driver of student achievement, across and within countries.
The administration, however, must not allow the new waiver system to become a way for states to elude the purpose of the act, which is to raise student achievement across the board.
Sports Industry Awards, May 2008 The Guardian and guardian.co.uk have been awarded the Sports Coverage of the Year accolade at the 2008 Sports Industry Awards, for their groundbreaking achievement across newspaper and online platforms in 2007.
