"an array of schools" is a correct and usable phrase in written English.
It can be used to refer to a variety or collection of different schools. Example: "The city offers an array of schools, from small private institutions to large public universities."
In a metro area offering an array of school districts and charter schools, the Kansas City School District has shrunk sharply over the decades, though it continued to build more schools because of an unprecedented influx of money from a desegregation lawsuit.
Although an array of school-based prevention programs exist [ 11- 16], the majority show minimal effects in reducing alcohol use and related harms [ 17- 20], and some have even reported iatrogenic effects [ 21, 22].
But during the 1800's it also added an array of professional schools: medicine, divinity, law, music, art and the first graduate school in the United States to award a Ph.D.
In addition to these major institutions, an array of vocational schools offer a wide variety of courses.
The system would resemble those in some other states -- California is most often mentioned -- which have separate universities, each with an array of professional schools, reporting to a central board of regents and chancellor.
Researchers from the Albert Einstein College of Medicine reviewed data on about 11,000 third graders, collected in 2002 as part of a large study, financed by the Education Department, to determine how an array of family, school, community and individual factors affected performance in school.
For his latest show, The Choice is Yours, currently on view at Bitforms gallery in New York, he hacked an array of old-school American voting machines – hulking machines made of steel, built in the mid-20th century.
Over at the press hut, a crew of "war correspondents" had set up a period darkroom, developing black-and-white photos shot with an array of old-school cameras, aiming for prints that looked like they'd fallen out of a 1944 time capsule.
Born and raised in Farmington Hills, Mich., Ms. Berkley was in dance classes by age 4. By 12 she was being shuttled by her parents to an array of after-school tap, jazz and ballet lessons, all of which she paid for herself by modeling.
