Mastery is a level of performance on a criterion-referenced test that shows that a student has demonstrated the knowledge, skills, and abilities for a unit of instruction or subject area as defined by a recognized standard.
                                                            
                                                     
                        
                                                
                        
                        
                            Ability to use a skill, capacity, proficiency, at an identified level.
                                                            
                                                     
                        
                                                
                        
                        
                            The capability to perform an activity repeatedly without error or hesitation at one’s highest possible potential (proficient).
                                                            
                                                     
                        
                                                
                        
                        
                            great skillfulness and knowledge of some subject or activity.