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The Iowa Tests®

The Iowa Tests are nationally standardized tests and meet most state requirements. This assessment is available year-round, and either the complete battery or only certain parts of the test may be administered.

Test Details

Form C

The Iowa Tests Form C makes understanding and applying your student's test scores easy and includes a Lexile® Measurement for Grades 1–12. A Common Core comparison is available, upon request, for students Grade 3 and above.



  • Word analysis
  • Reading comprehension
  • Vocabulary
  • Mathematics
  • Language
  • Spelling
  • Social studies/science
  • Listening

Testing Time

K5–Grade 3
3–5 hours over 3 days

Grades 4–8
5.5 hours over 3 days

Grades 9–12
3.5 hours over 2 days


  • Norm-referenced scores: standard, grade equivalent, stanine, and percentile rank
  • Graphed achievement percentiles
  • Content cluster skills evaluations
  • Skills performance ratings
  • Score interpretation brochure


Some forms have restrictions in certain states. Please check our list of state restrictions for the most up-to-date information.

Tester Qualifications

It is critical that the publisher’s guidelines for administering the tests be followed precisely—please review the tester qualifications.


The Cognitive Abilities Test can be ordered separately or in combination with the Form C. However, there are restrictions for residents of certain states. (Learn more about CogAT®.) If you do live in a restricted area, please consider switching to the Stanford/OLSAT tests or postponing your abilities testing.

Sample Scores

Sample test scores for all tests are available as pdfs.

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The Iowa Algebra Aptitude Test The Iowa Tests®—K5 The Iowa Tests®—Grade 1 The Iowa Tests®—Grade 2 The Iowa Tests®—Grade 3 The Iowa Tests®—Grade 4 The Iowa Tests®—Grade 5 The Iowa Tests®—Grade 6 The Iowa Tests®—Grade 7 The Iowa Tests®—Grade 8 The Iowa Tests®—Grade 9 The Iowa Tests®—Grade 10 The Iowa Tests®—Grade 11 The Iowa Tests®—Grade 12
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