Teachstone® was founded in 2008 to deliver the Classroom Assessment Scoring System® (CLASS®) nationwide and around the globe. Developed through years of research, the CLASS observation tool measures the interactions between teachers and children, which have been shown to drive learning and lifelong achievement. Teachstone helps organizations conduct classroom observations and provide professional development so that teachers improve and children learn more. Our online subscription service, myTeachstone, simplifies CLASS implementation by combining observation data with a robust library of CLASS resources and professional development. We also offer research-based, intensive coaching programs.
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Teachstone Questions
The Teachstone annual revenue was $22.5 million in 2026.
Karlo Young is the CEO of Teachstone.
263 people are employed at Teachstone.
Teachstone is based in Charlottesville, Virginia.
The NAICS codes for Teachstone are [6117, 611, 61].
The SIC codes for Teachstone are [82, 829].
Top Teachstone Employees
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Karlo Young
Chief Executive Officer at Teachstone
Baltimore, MD, US33 -
Cheryl Toto
Chief Operating Officer at Teachstone
Boston, MA, US35+ -
Hilary Sinegal
Chief People Officer at Teachstone
Washington, DC, US15+ -
Sean Zito
Chief Product and Technology Officer at Teachstone
Washington, DC, US14 -
Francine Oliver
Chief Growth Officer at Teachstone
Charlottesville, VA, US35 -
Laura Nucci
Senior Vice President Operations at Teachstone
Earlysville, VA, US35+ -
Elicia Potter
VP Product Operations at Teachstone
Washington, DC, US22 -
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Richard Danforth
Vice President, Strategy and Analytics at Teachstone
South Carolina, United States11
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