The phrase "achieved grades of" is correct and usable in written English.
It can be used when discussing the levels of academic performance or scores attained in a particular subject or course.
Example: "The student achieved grades of A and B in her final exams, demonstrating her hard work and dedication."
Alternatives: "attained scores of" or "received marks of".
The government estimates that about 85,000 students will achieve grades of AAB or higher in this summer's exams.
The original said government estimates were that about 65,000 students would achieve grades of AAB or higher in the summer 2012 exams.
An access scholarship of £1,000 a year for all UK students from households with an income of less than £42,600 who achieve grades of A*AA or the equivalent academic qualifications is also available.
St Paul's Girls' school in London, Queen Elizabeth's school in Barnet, north London, and Magdalen College school in Oxford all saw more than 80% of their pupils achieve grades of AAB at A-level, including at least two facilitating subjects.
Students seemed to retain what they had learned, gained self-confidence by achieving grades of A or B, and improved the quality of their work [39].
It is worth remembering that for decades the schools and teachers whose classes failed to achieve grades of 90 or almost 100, were scolded, stripped of their credentials, and even administratively and materially penalized.
Table 5 also shows that NW applicants were significantly less likely to achieve 26 points or more, which is equivalent to ABB, (odds ratio = 0.634, effect size = B.252), or achieve grades of AAA (odds ratio =.724, effect size = B.178).
Subsequently such candidates may well achieve grades of AAA but in the absence of an offer they cannot at that time gain a place (although they may gain one in the next year).
In 2012 83% of A-level students achieved grades A*-C and 46% of leavers gained places at Russell Group or 1994 Group universities.
