Equip and inspire your teachers.
Propel your students forward.
NSSI transforms summer learning from a missed opportunity into a strategic cornerstone and a key driver of student achievement and teacher development.
Partner with us to make gains that last!
Equip and inspire your teachers.
Propel your students forward.
NSSI transforms summer learning from a missed opportunity into a strategic cornerstone and a key driver of both student achievement and teacher development.
Partner with us to make gains that last!
Use Cases

Districts struggle with sluggish student gains and learning loss – coupled with persistent achievement gaps. Summer is a key pillar of their turnaround strategy.
NSSI’s turnkey solution comes with a curriculum, PD program and mentoring support that has proven to drive double-digit gains in Math and ELA.

Strong Tier 1 instruction drives achievement, but it’s tough to scale. Summer becomes an incubator of best practice, ensuring teachers return to fall classrooms ready to excel.
Summer curriculum materials are scripted – no planning required, coupled with best-in-class PD and experienced mentor teachers.

Planning a rigorous summer academic program that delivers results is like planning a second school year. Districts often require additional capacity to do this well.
NSSI spends all year thinking about summer - from our curriculum to our operational planning - so our district partners don’t have to.
Live event
Register – Beyond the Red Pen: Teaching, AI, and Meaningful Feedback
Wed, Nov 19, 2025, 8:00AM PT / 11:00 ET
AI promises real-time, individualized feedback for every student. But how do we ensure that feedback actually leads to deeper learning? In this conversation, we’ll explore the evolving role of teachers in the feedback loop and unpack how AI can amplify—not replace—teacher expertise. Together, we’ll discuss when to trust AI (and when not to) and how to use it to strengthen the teacher–student interactions that drive transformational growth.
Register – Beyond the Red Pen: Teaching, AI, and Meaningful Feedback
Wed, Nov 19, 2025, 8:00AM PT / 11:00 ET AI promises real-time, individualized feedback for every student. But how do we ensure that feedback actually leads to deeper learning? In this conversation, we’ll explore the evolving role of teachers in the feedback loop and...
Download
Should You Build Or Buy Your Summer Program?
Summer school is no longer a “nice-to-have.” It’s a critical part of district strategy for accelerating learning, addressing instructional gaps, and re-engaging students who need additional support. That’s why we created a practical tool to help district and school leaders weigh the pros and cons based on your unique goals, staffing, and student needs.
From our blog
Summer Learning Starts in September: Lessons from District Leaders
K-12 schools and districts across the country know that strong summer learning doesn’t just happen. It takes intentional planning, cross-team coordination, and early decisions that set the stage for success. In a recent LinkedIn Live conversation hosted by Keri Hubbard, Chief Program Officer at the National Summer School Initiative (NSSI) connected with two district leaders—Kelly Lyons, Executive Director of Planning and Logistics for Charlotte-Mecklenburg Schools (CMS), and Julie McCalmont,...
Trusted by thousands of students, teachers, and families.
In 2025, NSSI partnered with 27 school districts across 13 states and DC to serve roughly 65,000 students.
This is the best PD I have had in the 14 years I have been teaching. NSSI is giving teachers a great way forward to streamline instruction and guide them to a successful lesson/classroom.
– Catherine L., School Leader
The scripted curriculum really set us up for success. It was clearly well-written and refined over time. It’s one of the best curriculums I’ve worked with!
– Michelle L., Teacher

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