What is Overall Teacher Judgment
 
School leaders and teachers use Overall Teacher Judgments to inform future teaching and learning, to report to students, parents, families and wh�nau about students� progress in relation to the National Standards, and to inform decision making about the effective use of resources. Moderation is the process of teachers sharing their expectations and understandings of standards with each other in order to improve the consistency of their decisions about student learning.

An overall teacher judgment (OTJ) involves drawing on and applying the evidence gathered up to a particular point in time in order to make an overall judgment about a student�s progress and achievement. No single source of information can accurately summarise a student�s achievement or progress. A range of approaches is necessary in order to compile a comprehensive picture of the areas of progress, areas requiring attention, and what a student�s unique progress looks like.

Using a range of approaches also allows the student to participate throughout the assessment process, building their assessment capability. Because of this, to assess a student in relation to National Standards, teachers need to bring together a range of evidence in order to form an overall teacher judgment. Overall teacher judgments of achievement and progress involve combining information from a variety of sources, using a range of approaches. Evidence may be gathered in the following three ways:

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  Observing the process a student uses.
  
  
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  Conversing with the student to find out what they know, understand and can do.
  
  
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  Gathering results from formal assessments, including standardised tools.

http://assessment.tki.org.nz/Overall-teacher-judgment/Making-an-overall-teacher-judgment