Total costs equal fixed costs plus variable costs. Fixed costs remain stable, especially in the short term, but may vary with a longer time horizon. Fixed costs include building and equipment costs, regulatory fees and salaried personnel. In the long run, even fixed costs can vary.
Education reform is the name given to the goal of changing public education. Historically, reforms have taken different forms because the motivations of reformers have differed. However, since the 1980s, education reform has been focused on changing the existing system from one focused on inputs to one focused on outputs (i.e., student achievement).
Definition of reform for English Language Learners : the improvement of something by removing or correcting faults, problems, etc. : an action, plan, rule, etc., that is meant to improve something