The phrase "alarmingly high number of" is correct and usable in written English.
It can be used to describe a quantity that is surprisingly or worryingly large, often in contexts related to statistics or issues of concern.
Example: "The report revealed an alarmingly high number of cases of the disease in the region."
Alternatives: "worryingly large number of" or "concerningly high number of".
An alarmingly high number of accused are later shown by DNA and other evidence to have been innocent.
He cited a recent article in USA Today which noted that an alarmingly high number of soldiers in Iraq and Afghanistan had been hospitalized for mental illness.
"Our investigation found an alarmingly high number of deficiencies in the hospital's controls and procedures that need to be in place to ensure patients receive proper care," Commissioner Novello said.
-- Binghamton University, one of the Northeast's top public colleges, has halted all fraternity and sorority pledging this spring after what it called an "alarmingly high number of serious hazing complaints".
Both the local Conservative and Respect parties in Tower Hamlets have been looking through the new electoral rolls for properties that have an alarmingly high number of adults registered to one address.
On Wednesday night, officials at Binghamton University of the State University of New York, citing "an alarmingly high number of serious hazing complaints this spring," halted all recruiting and pledging for the rest of the semester while it investigates.
As of September of last year, according to Human Rights Watch, NATO was causing alarmingly high numbers of civilian deaths — 350 by the coalition, compared with 438 by the insurgents.
However, as recent research has shown, workplace attitudes towards working mothers have been slow to change, with the result that even now, some 38 years after sex discrimination legislation was first introduced in the UK, alarmingly high numbers of working mothers report having experienced discrimination at work.
Wheeler says during her research she found "alarmingly high numbers of rapes happening inside the refugee camps and the areas around it". Chronic underfunding for the Burundi refugee crisis has meant cutbacks to protection measures such as more secure housing, lighting and more latrines so that women don't have to walk far from their homes to go to the bathroom, especially at night.
An alarmingly high number have been staked within five miles of 11 major national parks and monuments, including Grand Canyon National Park in Arizona and Death Valley National Park in California.
Those are alarmingly high numbers.
