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The Stanford Tests

The Stanford 10 is nationally standardized and meets most state requirements. It is available year-round, and you may choose to administer the complete battery or omit the optional sections of the test.

If you have any questions, please contact us to learn about test options available for you.

Test Details


A Lexile Measure is included for Grades 1–12.


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

Testing Time

Stanford 10 is an untimed test. All times listed below are approximate.

3–4 hours over 3 days

Grades 1–3
5–6 hours over 3 days

Grades 4–8
5.5–6 hours over 3 days

Grades 9–12
4 hours over 2 days


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


Stanford 10/OLSAT® 8 tests are available for customers in most areas. Restrictions apply in the states listed here (areas subject to change).

Tester Qualifications

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


The Stanford Achievement Tests are also available in combination with Otis-Lennon School Ability Test® (OLSAT).

Sample Scores

Sample test scores for all tests are available as pdfs.

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