The phrase "top priority task" is correct and usable in written English.
You can use it to refer to an action that must be done first, and has a higher priority than other tasks. For example, "Finishing my presentation was my top priority task before the meeting."
Integration of the teacher qualification systems is a top-priority task at the moment toward ECEC cooperation and integration.
As a result of these challenges and inefficiencies, cooperation and integration of ECEC emerged as the top priority policy tasks to boost efficiency of ECEC policy for young children, though initial discussion on the topic of service integration failed to progress in the mid 1990s.
Setting safety standards for produce — a source of a growing number of food scares in recent years — is a top priority, although the task is enormously complicated, Mr. Taylor said.
This will be my top priority and is the task for which I was elected.
In advance of carrying out a project, the task of top priority is estimating the plan.
Transportation officials said they hoped to have this crucial downtown connector rebuilt by the end of 2008, but they insisted there would be no conflict over which task had top priority.
Politics delayed bankruptcy in the first place, and under the auto task force, top priority is government-to-government relations, not manufacturer-consumer relations.
"Protecting the public is my top priority and this judgment makes that task harder," he said.
Law enforcement agencies in Alameda County have made trafficking enforcement a top priority in recent years, creating a task force spearheaded by Dist.
The occupation officials said restoring electricity was the top priority because so many other reconstruction tasks depended on reliable power.
