

The National Summer School Initiative (NSSI) Information
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The National Summer School Initiative...
Summary
The National Summer School Initiative partners with districts, charter schools, and independent schools to deliver outstanding accelerated learning to students everywhere. With our comprehensive math ...Show more
Organization Website | nssi.org |
Industries | |
Headquarters Location | Brooklyn, NY, 11233 US |
Employees Size | 10-50 employees |
Founded | 2020 |
Estimated Website Traffic
The chart shows a growth in traffic to the nssi.org website. In September, traffic increased to 764, compared to 610 in the previous month. The highest traffic in 2025 was recorded in July, reaching 2838 visits.
Employees Turnover 3 quarter 2025
Number of employees switched from or switched to
Total number all of employee turnover
Length of Employment
Employee tenure at The National Summer School Initiative (NSSI) shows a diverse range of experience levels:
5% have been with the company for less than 1 year11% for 1–2 years11% for 3–4 years74% for 5–7 yearsEx-employees positions
In Company
In New Company
Contact top employees from
The National Summer School Initiative...
Jessica Wagner
Associate Director, Operations
Sandra Oliveira
Implementation Team Lead
Nancy Livingston
Chief Executive Officer
Madeline Levine
Senior Director, Operations
Jeff Feinman
Chief of Partnerships
Jordan McNiven
Instructional Coach
Steve Ciabattoni
Digital Marketing Consultant
Elizabeth Beugg
Marketing and Design Consultant
Jacquelyn Delgado
Math Mentor Teacher
Marla Ross
Program Operations Manager
Keri Hubbard
Director, Math Program
Ellie Bridges
Director of ELA
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FAQ
The National Summer School Initiative (NSSI) operates in the Learning Management industries. More details can be found on the official website: nssi.org.
The headquarters of The National Summer School Initiative (NSSI) are located in Brooklyn, United States.
The National Summer School Initiative (NSSI) currently employs 10-50 people.










