The phrase "diverse ethnicities" is correct and usable in written English.
You can use it to refer to a variety of ethnicities in any context. For example, "The school board was proud to observe the classroom, which was made up of students from many diverse ethnicities."
The Han ethnicity continued to grow by assimilating elements of other ethnicities, and continued to penetrate into their territories, constituting a connected and cohesive network, laying the foundation for an indivisible unity resulting from the integration of diverse ethnicities within the territory, forming an ethnicity-in-itself with a shared ethnic consciousness, known as the Chinese nation.
Results are reported for 75, 4 6 year-olds from diverse ethnicities.
The market extends down Ninth Street deep into South Philadelphia, a section of the city increasingly claimed by diverse ethnicities.
The city's incredibly diverse ethnicities, used to encountering one another only in strictly hierarchical service situations, are now being squeezed together in rude proximity for the first time.
Working on Wall Street years ago, I encountered a mosaic of people of diverse ethnicities and personalities, all happily pursuing the almighty dollar.
Bingham started her career straight from school and now she is seeking to put more women and diverse ethnicities in the boardroom.
The dominant factor here is a flexible pictorial language that depicts workaday people of diverse ethnicities and urban vistas, often in combination.
On a recent weekday, the Simons Ice Rink in North Philadelphia was alive with young players of diverse ethnicities and skill levels, all part of the Snider program.
The roll call went on in almost ghostly fashion, and it reflected the diverse ethnicities of the fallen — Christopher R. Kilpatrick came shortly before In C. Kim.
