The phrase "entire class" refers to everyone in a group or all the students in a school class. It means each and every person, without leaving anyone out. Full definition
When this does not happen, we not only risk teachers leaving the profession quickly, but more importantly, we risk the education of entire classes of students. (thoughtco.com)
At the other end of the spectrum, student teachers can be thrown into a classroom and expected to teach entire classes on their first day. (sibme.com)
The legislation also requires the agency to evaluate the cumulative risk posed by entire classes of chemicals that share the same mechanism of action instead of evaluating each compound independently. (discovermagazine.com)