Usually there are specific requirements that you have to complete, and a list of classes that will fulfill each requirement. For example, at the University of Southern California there are six general education categories, and students must take one course to satisfy each of them.
the general schedule the general schedule gs is the predominant pay scale for federal employees especially employees in professional technical administrative or clerical positions the system consists of 15 grades from gs 1 the lowest level to gs 15 the highest level there are also 10 steps within each grade
The vendor specifies in its GSA proposal, and during negotiations of GSA Schedule contract prices, the discounts to be given to Basis of Award customer(s). If the vendor then provides a larger discount to a Basis of Award customer than what was agreed upon in the GSA Schedule contract (i.e., if the price floor is breached), then the vendor's GSA price will be reduced proportionately and retroactively.