Silas Solutions Silas Solutions is a company that develops a social-emotional learning (SEL) platform. | ![]() Learner-Centered Collaborative Learner-Centered Collaborative (also known as AltSchool, formerly Altitude Learning) is a company offering professional learning services and a technology platform focused on learner-centric education | ||
Founding Date | Founding Date 2017 | Founding Date 2013 | Founding Date 2000 |
Type | Type Subsidiary | Type Subsidiary | Type Subsidiary |
Tags | |||
Locations | Locations Monmouth Beach, US HQ | Locations San Francisco, US HQ | Locations Minneapolis, US HQ Richardson, US |
Employees | Employees 6 | Employees 25 | Employees 59 |

Learner-Centered Collaborative (also known as AltSchool, formerly Altitude Learning) is a company offering professional learning services and a technology platform focused on learner-centric education
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Study Island is a web-based standards mastery program for K-12 students.
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