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In 2022, Teachstone® announced CLASS 2nd Edition. Informed by over a decade of user feedback, CLASS 2nd Edition builds on this proven foundation to strengthen the effectiveness of interactions …

Teachstone CLASS training and coaching programs support teachers, observers, coaches, and administrators interested in measuring and improving student-teacher interactions.

Get the most out of CLASS with Teachstone’s free online resources including ebooks, webinars, CLASS video, research, and case studies.

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Explore all Teachstone's products & trainings designed to help you focus, measure, and improve the educator-child interactions that drive child outcomes.

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At Teachstone, we’re helping educators around the world leverage the proven power of interactions to help more students thrive. It starts with learning from the best: the committed, innovative educators …

Since Teachstone was founded in 2008, we’ve worked hand-in-hand with thousands of programs worldwide to improve the quality of educational experiences for learners across age levels, from …