Social capital — a web of supportive relationships that young people can access and mobilize in pursuit of their goals — isn’t just about counting LinkedIn connections or friends on Facebook.
It is a developmental force.
It is the mentor who inspires a new career path, the teacher who makes a young person feel seen and the friend who shows up on the hardest day.
From a positive youth development perspective, these relationships are not just supports — they are the context through which young people build identity, agency and a sense of belonging. And yet, too often, these relationships are treated as isolated interactions rather than part of a broader relational ecosystem that evolves over time.
[Related: On sparks and social capital]
Most youth-serving programs and systems are designed around a defined period of participation: a semester, a school year, a program cycle. Success is measured through attendance, completion or short-term outcomes. But what happens after young people leave?
Too often, they become data points instead of continued partners.
This is where the field is missing a powerful opportunity.
Alumni — young people who have already navigated a program, built relationships and translated those experiences into next steps — are uniquely positioned to strengthen the very outcomes youth programs aim to achieve.
They are not just former participants; they are credible messengers, relationship brokers and community builders.
Courtesy of Ashley Boat
Ashley Boat
When programs engage alumni intentionally, they see multiple benefits:
- Near-peer mentoring: Young people listen differently when guidance comes from someone who shares their lived experience, identity or path. Alumni can make possibilities feel attainable.
- Sustained social capital: Alumni extend networks beyond the endpoint of a program, helping relationships endure and evolve over time.
- Mutual growth: Alumni themselves benefit from gaining leadership skills and deepening their own sense of purpose and belonging.
In programs that more intentionally integrate alumni through mentorship roles, advisory groups or cohort-based models, relationships often feel more continuous, rather than ending abruptly when participation ends. These approaches suggest that alumni engagement can help shift programs from time-bound experiences to ongoing communities of support.
Some organizations are already demonstrating what this can look like in practice. For example, YouthBuild has invested in a national alumni network that connects members across cohorts and communities through an online platform, leadership opportunities and alumni-led events, helping sustain relationships, professional growth and peer support over time. Similarly, iMentor has built an alumni community where former mentors and mentees stay connected through networking and career development, with opportunities for alumni to return as mentors themselves.
These examples help move us away from seeing young people as recipients of services and toward seeing them as contributors to a shared ecosystem of support.
Yet for many youth-serving organizations, alumni engagement often remains underdeveloped or narrowly focused. Many organizations track alumni outcomes for reporting purposes without investing in the relationships themselves. Others invite alumni back in informal ways, but without clearly defined roles, supports or integration into program design.
[Related: They age out — then we hire them. What happens next matters most.]
If the goal is to build meaningful and lasting social capital, this is an area worth rethinking. For program leaders, system leaders and funders, this may mean:
- Investing in alumni engagement, not just alumni tracking. Creating structured and, when possible, compensated roles for alumni as mentors, facilitators or advisors.
- Designing for reciprocity. Ensuring alumni engagement offers value to alumni themselves, including continued connection, skill development and support.
- Expanding how we define impact. Moving beyond point-in-time measures to consider how relationships persist and evolve across time and life stages.
- Centering relationships as a living network. Viewing programs not as pipelines but as communities in which alumni play an ongoing role.
As interest in measuring social capital continues to grow, there is an opportunity to also consider how it is built and sustained. Alumni are not simply an outcome of youth programs — they are part of the relational ecosystem that can help those programs have a longer-lasting and more meaningful impact.
Simply put, alumni are not the end of the story.
They are how the story continues.
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Ashley Boat is the founder and principal consultant of Northstar Evaluation, where she partners with youth-serving organizations on evaluation, strategy and learning. Her work focuses on translating research into practical strategies that strengthen youth development practice and support young people’s success.
