The phrase "achievement range" is correct and usable in written English.
It can be used to refer to the spectrum or variety of accomplishments or performance levels in a specific context, such as education or professional development.
Example: "The achievement range of students in this class varies significantly, with some excelling while others struggle to meet basic standards."
Alternatives: "performance spectrum" or "level of achievement".
Today Mike Tomlinson, the former chief inspector of schools who now heads an inquiry into the future structure of exams for 14 to 19-year olds, said he felt sorry for students faced with another set of tests, but acknowledged that more "stretch" was needed at the top end of the achievement range.
The distribution of the item parameters that represents each item's difficulty enables a differentiated measurement of secondary school students' abilities in the average achievement range with most items covering this area.
The CAQ asks for the attained level of achievement in 10 different domains [for instance, in the domain of music, the levels of achievement range from I have no training or recognized talent in this area (0 points) to My compositions have been critiqued in a national publication (7 points)].
Those involved in British terrorism are not unintelligent or gullible, and nor are they more likely to be well-educated; their educational achievement ranges from total lack of qualifications to degree-level education.
The Northeastern districts in Thailand have been recognized as the most underdeveloped region in the country (Carsten & Temphairojana, 2013), where average education achievement ranges between 6.7 and 9 years (Decade 2020, 2015).
Achievement ranged from 89% for cerebrovascular disease to 34% for osteoarthritis.
Achievement ranged from 7%to85%5% in the least deprived third, compared to 24%-93 24%-93e most deprived third.
By 2007, the differences in achievement ranged from 1.3 to −0.6 (mean blood pressure control was slightly better in diabetic patients in deprived areas).
The nation's architectural achievements range from its earliest walled cities and the First Emperor's vision of city and empire, to bridges, pagodas, and the twentieth-century constructions of the Socialist state.
The achievements range from I have never been engaged in this domain (0 points) to I have already sold some of my work in this domain (10 points).
Wyllie's creative achievements ranged from playing the double bass in jazz bands to making permanent public sculpture sited across Britain.
