The phrase "a class of five" is correct and usable in written English.
It can be used to refer to a specific group of five individuals in an educational or training context.
Example: "The teacher was pleased to have a class of five, as it allowed for more personalized attention."
Alternatives: "a group of five" or "a cohort of five".
I began my internship as part of a class of five, two women and three men who had all done reasonably well in medical school.
Miss Effie McCaw, a 75-year-old Sunday school teacher, said she was taking a class of five children in the basement when the explosion occurred.
The setting is Steubenville, Ohio (the playwright's hometown), in an undistinguished room on the second floor of the Third Street Y.M.C.A. Helen Anderson Kirk Diane Cieslaa), a k a Mrs. Mannerly, dressed in a prim little suit left over from the Jackie Kennedy years, is facing a class of five young, rambunctious students.
Los Angeles, which was expected to contend in the West, has lost four straight to drop to 13-12-4, culminating in a lifeless effort in a 2-1 home loss to Dallas on Saturday FIVE ENTER U.S. HALL Chris Chelios led a class of five inducted into the United State Hockey Hall of Fame.
Comedian, broadcaster and long-time Classics nut Natalie Haynes tells the story of Alex Morris, a meek former theatre director in her mid-20s who moves from London to Edinburgh after the violent death of her fiance and begins teaching drama to a class of five kids who've been excluded from mainstream school.
The next thing I knew, I was in a class of five others, being taught the pronunciation of single-syllable words.
In a class of five hundred, there should be, like, four, five theatre kids, tops.
From a class of twenty boys, he had selected three.
Ward also believes a class of three "isn't good".
Which it did, for a class of four, superbly.
"My class was a big class, and it was a class of six," she said.
