Quality Assessment: Norms

To download a copy of our Fall CTP Norms book, please click here.

To download a copy of our Spring CTP Norms book, please click here.

National Norms (NN):

• For Levels 3 through 10 for spring and fall test-takers
• NN permit comparisons of individual or group performance with the national population, with schools in all 50 states in areas including:
  • urban
  • rural
  • suburban
  • large and small
  • high- and low-socioeconomic groups

 Independent School Norms (IN):

• Available for levels 1 through 10 for spring and fall test-takers
• The average of the most recent three years of testing by independent school CTP 4 users throughout the US and abroad

Suburban School Norms (SN):

• For Levels 1 through 10 for spring and fall test-takers
• The average of the most recent three years of testing by more select suburban public school CTP 4 users throughout the US

           Note: This varies from the broader national norm.

International School Norms (OI):

• All overseas international schools are included in the norms base
• The average of the most recent three years of testing by schools
• All members outside the US are automatically included in the norm

Association Norms (AN):

• Optional norm that might represent a self-defined group of schools in a region, an association, or a consortium of schools with common interests or student populations
• The average of the most recent three years of testing by the schools in the association
• Schools wishing to explore this option should contact ERB directly at sbarish@erbtest.org

Local Norms:

• Available for the district (DI), if applicable, the school (SC), or the class (CL)
• Enables comparison of an individual student with his or her cohort group. Local norms are not reported on parent reports