The Critical Thinking Co.

Making Children
Better Problem-Solvers

Grades PreK-12+ Books & Software

1-800-458-4849
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Test Prep Guide

Test Preparation Guide

Achievement Tests:

Higher test scores guaranteed on state assessments and achievement tests.


Bundles are sold as discounted items with their own product numbers (different from the individual items which make up a bundle). Individual items purchased separately over a period of time are not eligible for the discounted bundle prices.

If you are not completely satisfied with your purchase, we will gladly help you with an exchange, credit, or refund. Return information is attached to every packing slip.

* The correlations are meant to show that skills assessed in a particular test are addressed in a product from The Critical Thinking Company. We do not claim that our materials match up exactly to each test or teach all the skills measured in a particular assessment. The recommendations made here are determined by The Critical Thinking Co.™ and are not endorsed or certified by the author or publisher of each test. While the recommended items will help prepare students to master the skills tested, they do not reflect the actual test items on any given test.

The Critical Thinking Co.™ is the official publisher of the Cornell Critical Thinking Tests™ (CCTT™) and the James Madison Tests of Critical Thinking™ (JMTCT™).

Otis-Lennon School Ability Test®,OLSAT®, Wechsler Intelligence Scale for Children®,WISC®, WPPSI™, Metropolitan Achievement Tests®, Raven's Progressive Matrices™, Naglieri Nonverbal Ability Test®, and NNAT® are trademarks, in the US and /or other countries, of Pearson Education, Inc. or its affiliate(s), or their licensors, which do not endorse these products.

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