![]() Toddle Toddle (also known as Teacher Tools) is a company that develops an AI-powered teaching and learning platform for K-12 schools. | ![]() HOUGHTON MIFFLIN COMPANY Houghton Mifflin Harcourt (HMH) is an education technology company providing K-12 core, supplemental, intervention, and professional learning solutions. | Carnegie Learning Carnegie Learning is a provider of K–12 education technology, curriculum, and professional learning solutions. | ![]() Persona Learning Persona Learning provides robust learning platforms that include content authoring, courses, communities, portfolios, learning objectives, outcomes, e-commerce and meaningful learner progress and analytics. | |
Founding Date | Founding Date 2019 | Founding Date 1832 | Founding Date 1998 | Founding Date 2004 |
Type | Type Private | Type Private | Type Subsidiary | Type Private |
Tags | ||||
Locations | Locations Bengaluru, IN HQ | Locations Pittsburgh, US HQ | Locations Washington, US HQ | |
Employees | Employees 4953% increase | Employees 4,5631% decrease | Employees 869 | Employees 5 |

Houghton Mifflin Harcourt (HMH) is an education technology company providing K-12 core, supplemental, intervention, and professional learning solutions.
View companyCarnegie Learning is a provider of K–12 education technology, curriculum, and professional learning solutions.
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Persona Learning provides robust learning platforms that include content authoring, courses, communities, portfolios, learning objectives, outcomes, e-commerce and meaningful learner progress and analytics.
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