The phrase "approved the class" is correct and usable in written English.
It can be used in contexts where someone has given formal consent or validation for a particular class or course to be offered or conducted.
Example: "The committee reviewed the curriculum and approved the class for the upcoming semester."
Alternatives: "authorized the class" or "sanctioned the class".
By the time of the Two Ocean Navy bill, the Navy realized that ship designs could no longer be limited by the Panama Canal and thus approved the Montana class knowing that the ships would be unable to clear the locks.
Even so, Ms. Teuber said, the trips may not have been properly authorized, because a subordinate to Ms. Terpstra, instead of a superior, had approved the business-class travel.
For 45 years, since Congress approved the criteria for class actions, the threshold for certification of a class has been low, with good reason because certification is merely the first step in a suit.
Finally, On November 7, 2003, the federal court in Houston approved the settlement of the class actions on behalf of shareholders and employees of Enron.
In May 2011, the FDA approved the first-in-class NS3/4A serine PIs boceprevir and telaprevir.
In December 2013, the FDA approved the first-in-class NS5B polymerase inhibitor sofosbuvir and second generation NS3/4A PI, simeprevir.
After each group has presented, hold a simple majority vote on each specific recommendation, putting a star next to items that have been approved by the class.
Tigecycline is the first drug approved in the class of glycylcyclines, a derivative of minocycline.
If approved, the settlement would resolve class actions filed in 2005 by the groups representing authors and publishers against Google in the United States District Court for the Southern District of New York.
As soon as the Food and Drug Administration approved the use of a class of drugs known as fluoroquinolones in chickens, for instance, the percentage of bacteria resistant to fluoroquinolones shot up.
