Your partner in professional learning

Corwin is a global organisation that has a large scope across many areas of education. For 25 years, our mission at Corwin of “Helping Educators Do Their Work Better” has guided us in finding practical, research-based solutions to the challenges that educators face. We are proud to be your partner in professional learning.

Corwin is the exclusive provider of Visible Learningplus workshops, professional learning, and consulting in the United States, Canada, Australia, and New Zealand. 

Bazalt is our partner in the Netherlands. They have a history of 40+ years in supporting schools and teachers with educational expertise. Their goal is to contribute to better education for all children by offering professional development and courses for school leaders, school teams and individual teachers. Research is the basis for the services they provide. They are also the publisher of many educational books. They offer Prof John Hattie’s books in Dutch-medium – as well as the workshops, training and implementation programs of Visible Learningplus. In this way Bazalt helps schools to provide an even better education.

Your partner in thinking

Our delivery partner in the United Kingdom is Osiris Educational, the UK’s largest professional development provider for teachers. Osiris Educational work at the forefront of innovation in education, with hundreds of leading British and international figures. Their training is grounded in research and is pedagogically rigorous and highly practical.

Stronger Learning for Stronger Lives

Our exclusive delivery partner in Scandinavia is Challenging Learning, an international group of companies, founded by James and Jill Nottingham.

The Challenging Learning team offer outstanding long-term interventions and professional development in Dialogue, Feedback, Mindset, The Learning Challenge/The Learning Pit, Philosophy for Children, and Visible Learningplus.

Partner with us!

If you would like to partner with us to bring Visible Learningplus to your country please email us at