How many people are in a class? By Bryant Posted September 2, 2013 In How many people are in a class?2013-09-022013-09-02/wp-content/uploads/2013/08/CFO-Website-Header-2013.pngCrossFit Oahu/wp-content/uploads/2013/08/CFO-Website-Header-2013.png200px200px We generally have around 8-15 people in a class.