The phrase "advanced group of" is correct and usable in written English.
It can be used to describe a collective of individuals or entities that possess a high level of skill, knowledge, or sophistication in a particular area.
Example: "The advanced group of researchers presented their findings at the international conference."
Alternatives: "elite team of" or "expert cohort of".
It is said that very few members of the advanced group of colored people in the town were present.
The arthropods are the largest and most advanced group of invertebrate animals, rivaling and often exceeding the evolutionary success of the vertebrates.
The Disc camera series, introduced in 1982, was a technologically advanced group of cameras that could automatically activate the use of the flash, if necessary, in addition to adjusting the focus and advancing the film.
Another class that morning involved a more advanced group of students pedalling around a "traffic village", a fenced off network of scaled-down streets, originally designed to teach children, complete with tiny roundabout and a mocked-up level crossing and wooden train.
However, the participants in the role-play were doctoral students, and thus represented an advanced group of individuals.
By the early Cretaceous, roughly 144 million years ago, a more advanced group of birds had appeared.
One of Edinger's discoveries was that an enlarged forebrain evolved independently several times among advanced groups of mammals.
Others have managed to outlive their then contemporaries by exploring niches created by newly evolved, more advanced groups of organisms.
Instead, he relies on therapists like Katie Chiasson, whose "advanced" group — those clean of drugs for at least a year and therefore required to come only monthly — was full of angst one day last spring.
Thus, the advanced group displayed a convergence of self-reported scoring, suggesting that participating in a formal assessment-development program correlates with emergence of a common vocabulary and shared understanding of assessment practices.
