LightSail is the only literacy accelerator that combines all of the best books with in-text embedded assessments and real-time, actionable data to deliver industry-leading literacy gains.

LightSail is personalized to each student, ensuring that they are reading high-interest books right at, or above, their individual reading level. LightSail assesses students as they read, and adapts their libraries as they grow. Students using LightSail’s platform for just 30 minutes a day are seeing average gains of 2x “Ideal Lexile Growth.”

LightSail is used in more than 150 elementary, middle, and high schools, including the New York City DOE, Los Angeles Unified School District, Chicago Public Schools, and numerous high-performing charter schools.

New York, US
Size (employees)
29 (est)-12%
LightSail Education was founded in 2012 and is headquartered in New York, US
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Key People/Management at LightSail Education

Gideon Stein

Gideon Stein

Founder & CEO
Ryan Alexander

Ryan Alexander

Melissa Loeffler

Melissa Loeffler

Director of LightSail Labs

LightSail Education Office Locations

LightSail Education has an office in New York
New York, US (HQ)
1150 Avenue of the Americas
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LightSail Education Financials and Metrics

Summary Metrics

Founding Date


Total Funding

$23.2 m

Latest funding size

$11 m

Time since last funding

2 years ago


LightSail Education's latest funding round in March 2016 was reported to be $11 m. In total, LightSail Education has raised $23.2 m
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