The phrase "improve their credentials" is correct and usable in written English.
It can be used when discussing ways to enhance or bolster someone's qualifications or achievements, often in a professional or academic context.
Example: "Many professionals take additional courses to improve their credentials and advance their careers."
Alternatives: "enhance their qualifications" or "boost their credentials."
The federal proposals reward individual teachers who improve their credentials and meet other guidelines.
There he became involved in a controversy by demanding that the local clergy submit to university discipline and earn doctoral degrees in order to improve their credentials.
Suggs scored on runs of 30, 3 and 6 yards and caught a 23-yard pass as the Hokies (10-1) toimproveimprove their credentials for a berth in the Bowl Championship Series.
University officials say it is hardly surprising that during harsh economic times people turn to graduate and professional schools as havens from market storms where they can sharpen their skills and improve their credentials for better times to come.
That aside, universities continue to improve their green credentials.
"It is important that the firms from the most damaging sectors receive investment to improve their environmental credentials".
That would enable them to invest in newer, more fuel-efficient aircraft, provide a better service, cut the queues and improve their environmental credentials.
That gives firms an incentive to improve their green credentials, and hope to trade off the extra cost against a higher turnover.So far, the scheme's effects are limited.
There has been much discussion of "eco-towns" and of green new homes, but in so many ways this tinkers with the issue; there are 26 million older homes which need to improve their green credentials.
Similarly, current concerns over the high price of batteries – and the energy-intensity of their highly polluting production – has to be viewed, say EV advocates, against the fact that battery technologies are fast advancing, as is the scale of their production, which should force prices down and improve their environmental credentials.
Women have also done more than men to improve their academic credentials: in most rich countries they are likelier than men to go to university.Broadly speaking, this is a common story across the rich world: in virtually all OECD countries male employment rates are lower than they were 40 years ago, and the decline in America's rate since the 1970s is similar to others in the G7.
