The phrase "a class of professionals" is correct and usable in written English.
It can be used to refer to a specific group or category of individuals who share a common profession or expertise.
Example: "The conference will feature speakers from a class of professionals dedicated to environmental sustainability."
Alternatives: "a group of professionals" or "a category of professionals".
With Nixon's Administration was born a class of professionals whose sole job was to write the President's speeches, and who have been rewarded, in the main, for the amount of applause their prose could generate.
They were produced in workshops of large urban centers, like Paris, from the thirteenth until the early sixteenth century, giving origin to a class of professionals such as booksellers and illuminators [3].
An image arises of imperial Rome, maybe: immense comfort and hubris, being supported by a class of professional soldiers.
The system is inefficient, but it supports a class of professional writers, which might not otherwise exist.
We must avoid the creation of a new class: a class of professional Asian-Australian coolies in the twenty-first century.
In a good year, this earns the publishers a modest profit, and it allows more authors to take risks in starting new projects — which is to say, it supports a class of professional writers.
Recurring bouts of puritanism and reforming movements in the church tended to remove secular literature from monastic control; ultimately there developed a class of professional families who were its custodians from the 12th to the 17th century.
3. Rise of a class of professional writers, as distinct from moral reformers, schoolteachers, clerics, or versatile journalists all those who, for pedagogical, doctrinal, or pecuniary reasons turn themselves into writers for children.
The art of raqs sharqī ("eastern dance")—or belly dancing, as it is known in the West thrives among a class of professional dancers who entertain at weddings, birthdays, and other holidays.
In saying such things, Madison and Hamilton continue a long tradition in which fear of the demos (often called "the mob") informed a preference either for monarchy or for representative government, that is, government by a class of professional politicians who were presumed to be cooler and wiser heads, less swayed than the people by the passions of the moment.
The first was the emergence of a class of professional managers.
