Early-registration discount for the 38th Annual International Conference on Critical Thinking! (Through June 16th only!)

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Educational psychologist and Senior Fellow Dr. Linda Elder will conduct a free public lecture at Universidad VERITAS in San José, Costa Rica on May 24, 2018. The topic: 'Why Critical Thinking Must be at the Core of Teaching and Learning at All Levels.'

As a 501(c)(3) non-profit organization with no grant funding or major benefactors, we need help from you to keep our organization alive! We reached only 15% of our $100,000 goal in 2017, but with your help, we can get there in 2018!

Join us at the World's Longest-Running Critical Thinking Conference!

Join people from all walks of life, from around the world, at the 38th Annual International Conference on Critical Thinking. The event takes place July 16 - 20, 2018 at the DoubleTree Hotel in beautiful California  Wine Country.

Professional Development

We provide on-site as well as online professional development, helping educators bring critical thinking into the heart of their teaching and administrators instill it in the core of curricula. We also serve businesses, military, and government.

Fall Registration Open Now!

Study under the guidance of a first-generation Paulian Scholar from the comfort of your home or office! Philosophy units and Nursing CEU's are available, but not required.

The Paulian Framework for critical thinking has been developed and discussed through decades of scholarship by the world's foremost experts on substantive, explicit, ethical rationality. Our guides encapsulate this framework and many of its applications.

The Thinker's Series Books

The Thinker's Guide Library

Set of 22 Guides.

Only $199.95

Also available individually.
Millions in circulation worldwide!

Critical thinking is a desire to seek, patience to doubt, fondness to meditate, slowness to assert, readiness to consider, carefulness to dispose and set in order; and hatred for every kind of imposture.

~ Francis Bacon (1605)


The Foundation and Center for Critical Thinking aim
to improve education in colleges, universities and primary
through secondary schools. Read more.