"encourage improvement" is correct and usable in written English.
You can use it to refer to doing something to motivate or support a person or group to become better in some way. For example: The school has implemented new programs to encourage improvement in their students' academic performance.
"We are adopting this new accountability system in order to encourage improvement and recognize achievement," Carl T. Hayden, the Regents chancellor, said.
Those people being supported, commissioners and the public need assurance that services are properly registered, inspected, and that regulators encourage improvement and eradicate unsafe practices.
The point of Wednesday's report, he said, is not to embarrass the laggards but to honor high achievement and encourage improvement.
Blunkett told the Guardian that Labour would restore a more coherent structure to encourage improvement in schools by introducing new bodies – probably at a sub-regional level – tasked with spotting failure, monitoring admissions, commissioning services, and ensuring financial accountability.
Backed by the Prime Minister, Tony Blair, and sponsored by Hays, The Guardian awards aim to encourage improvement, innovation and change throughout the country's public services and recognise and reward outstanding teams working across the public sector in the UK.
As student access and success are central to the mission of any higher education institution, we proposed setting a bottom-line standard — based on the bottom 5percentt of four-year colleges — to encourage improvement.
It has recently been demonstrated that working memory can be improved with adaptive training tasks that encourage improvements in working memory capacity.
The program is designed to encourage improvements in older buildings.
The agencies hope to find ways to encourage improvements to overall security, and to discourage attackers.
There is always a danger that the promise of more cash will inhibit rather than encourage improvements in efficiency.
A monitoring arrangement with the IMF will help maintain an orthodox fiscal stance and encourage improvements to the business environment.
