![]() 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 1997 | Founding Date 2004 |
Type | Type Private | Type Private | Type Subsidiary | Type Private | Type Private |
Tags | |||||
Locations | Locations Bengaluru, IN HQ | Locations Pittsburgh, US HQ | Locations Folsom, US HQ Bengaluru, IN Bengaluru, IN Roanoke, US | Locations Washington, US HQ | |
Employees | Employees 4953% increase | Employees 4,5631% decrease | Employees 869 | Employees 3,56310% increase | Employees 5 |
Financial | |||||
Revenue (est.) | Revenue (est.) N/A | Revenue (est.) $1.1b (FY, 2021) | Revenue (est.) N/A | Revenue (est.) $697.7m (FY, 2023) | Revenue (est.) N/A |
Cost of goods | Cost of goods N/A | Cost of goods $518m (FY, 2021) | Cost of goods N/A | Cost of goods $283.9m (FY, 2023) | Cost of goods N/A |
Gross profit | Gross profit N/A | Gross profit $532.8m (FY, 2021) | Gross profit N/A | Gross profit $413.8m (FY, 2023) | Gross profit N/A |
Net income | Net income N/A | Net income $213.6m (FY, 2021) | Net income N/A | Net income ($39.1m) (FY, 2023) | Net income N/A |
Funding | |||||
Total funding raised | Total funding raised N/A | Total funding raised N/A | Total funding raised $ 14m | Total funding raised $ 31.5m | Total funding raised N/A |

Houghton Mifflin Harcourt (HMH) is an education technology company providing K-12 core, supplemental, intervention, 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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