Funding Amount

US $200,000 - US $450,000

Deadline

Deadline not published

Grant Type

Foundation

Deadline history & next window

Cycle
Rolling — applications accepted year-round
Tracked since
April 2026

From the program guidelines: “NOTE: Candidates are encouraged to submit ideas at any time and will be considered on a rolling basis.”

Can we apply?

Check your organization against each line. Taken from the listing; confirm with the funder's guidelines.

Eligible organizations

  • We seek individuals who have a bold idea for transforming systems and know how to make change happen.
  • They are typically:Academic institutions (e.g., research centers, academic research hospitals, universities)
  • Nonprofit organizations (e.g., legal services providers, advocacy organizations, child welfare agencies, other service providers)

Other requirements

  • Stoneleigh Fellows come from a diverse array of backgrounds—they are attorneys, educators, physicians, public policy experts, program administrators, researchers, social workers, and more.
  • Successful Fellows all have:The demonstrated ability to design, lead, and execute complex, multiyear projects
  • A deep commitment to improving the lives of young people
  • A solid understanding of how public systems work and the ability to bring stakeholders with different perspectives together to develop shared solutions.

Not eligible / not funded

  • Not eligible: Individuals to:Provide direct service to individual beneficiaries
  • Not eligible: Engage in lobbying or advocacy aimed at influencing specific legislation
  • Not eligible: Undertake projects that do not impact youth or young adults
  • Not eligible: Carry out the duties of an existing staff position

Overview

The Stoneleigh Fellowship offers visionary leaders funding to transform systems serving youth, focusing on innovative research and policy changes. It supports individuals from diverse backgrounds, enabling them to pursue impactful projects over two to three years. With awards ranging from $100,000 to $150,000 annually, the fellowship emphasizes collaboration among agencies and aims for sustainable outcomes that enhance the lives of young people in Philadelphia.

NOTE: Candidates are encouraged to submit ideas at any time and will be considered on a rolling basis. Fellowships are approved by Stoneleigh’s Board of Directors at quarterly meetings that take place in March, June, September, and December.
The Stoneleigh Fellowship provides accomplished leaders with multiyear funding to transform systems that serve youth.
It means bringing different systems together and advancing new ways of thinking about what is possible. That’s why we provide exceptional individuals with the time and space to undertake groundbreaking research, improve policies and practices, change the narrative, and fundamentally transform how youth are served.
Stoneleigh Fellows come from many disciplines and professional backgrounds and work to advance change in youth-serving systems, such as youth justice, child welfare, education, and health.
Philadelphia’s Police Commissioner who expanded the city’s nationally recognized Police School Diversion Program to reduce youth arrest rates and prevent the collateral consequences of justice system involvement
An attorney who worked within the School District of Philadelphia to create a comprehensive school safety strategy
A researcher leading a five-year study on the health of young, child welfare-involved mothers and their children to identify strategies to break intergenerational cycles of abuse and neglect
An emergency room doctor who replicated his hospital-based violence intervention model locally and nationally
What distinguishes the Stoneleigh Fellowship?
Stoneleigh’s staff also work closely with Fellows to ensure their success by providing expert advice and connections to key influencers and funders. We also meet Fellows where they are professionally through flexible Fellowship terms and levels of support.In It for the Long Haul: We understand that advancing change in large, complex systems doesn’t happen overnight. In addition, Fellows become lifelong members of Stoneleigh’s alumni network—a committed group of social change leaders working to improve youth-serving systems.
What does an ideal Fellowship project look like?
Feerating new knowledge through applied raches:

  • Research: Generating new knowledge through applied research
  • Policy: Changing how systems work to better meet the needs of young people
  • Practice: Developing new approaches to program design and delivery, and expanding promising programs

Funding
The award primarily covers a Fellow’s salary; in some cases, it also supports travel or other expenses related to advancing project work. While the amount depends on the personal circumstances of each Fellow and project, awards typically range from $100,000 to $150,000 annually. In addition to the financial award, Stoneleigh’s staff work closely with Fellows to amplify the impact of their projects and provide ongoing opportunities for networking and professional development.
Fellowships are generally awarded for two to three years with the possibility of extension.

Eligibility

Stoneleigh Fellows come from a diverse array of backgrounds—they are attorneys, educators, physicians, public policy experts, program administrators, researchers, social workers, and more. Successful Fellows all have:The demonstrated ability to design, lead, and execute complex, multiyear projects
A deep commitment to improving the lives of young people
A solid understanding of how public systems work and the ability to bring stakeholders with different perspectives together to develop shared solutionsStoneleigh Fellowship candidates must have:A demonstrated capacity to lead complex, multiyear projects.We seek individuals who have a bold idea for transforming systems and know how to make change happen. Successful Fellows know that advancing change within systems requires working hand-in-hand with partners at multiple levels to further a shared vision. We seek individuals who have already cultivated the relationships they will need to hit the ground running.A proposed solution to a policy or practice challenge that affects youth in Philadelphia.Fellowship projects should advance change using one or more of the following approaches: generating knowledge through applied research, improving public policy, or developing new approaches to program design and delivery. Fellows must be able to clearly articulate how the proposed solution will lead to tangible outcomes that can be sustained beyond the life of the Fellowship.
Typically, our Fellows work directly within or alongside systems in Philadelphia that serve young people. Although Fellows must be able to devote the majority of their time to their Fellowship work, we also recognize that some individuals have professional obligations that cannot be altered. We will make our best effort to accommodate these circumstances, but it is expected that individuals will be released from their day-to-day work to pursue their projects as much as possible.There is no specific age or experience requirement, but Fellowship candidates should have established track records in their fields of focus and strong professional relationships.We know that changemakers don’t fit a specific profile; some Fellows use the Fellowship to launch the next phase of their careers, while others have decades of experience.At a minimum, host organizations serve as fiscal agents for Fellowship funds. Depending on the design of the project, the host organization may also provide implementation support, office space/equipment, administrative support, or assistance with fundraising and communications. They are typically:Academic institutions (e.g., research centers, academic research hospitals, universities)
Nonprofit organizations (e.g., legal services providers, advocacy organizations, child welfare agencies, other service providers)
Public sector agencies (e.g., local/state government agencies, school district, police department, district attorney’s office, judiciary)Fellowship projects must have:An impact on policy and practice that affects young people in Philadelphia
Buy-in from key systems and project implementation partners
A clear theory of change and a work plan articulating goals and outcomes

Ineligibility

Stoneleigh Fellowships do not support individuals to:Provide direct service to individual beneficiaries
Engage in lobbying or advocacy aimed at influencing specific legislation

What Stoneleigh Foundation actually gave

Source: IRS Form 990-PF, 2025

Grants in 2025
28
Total given
$2.79M
Median grant
$88K
Range
$438–$198K
  • By dollars: Pennsylvania 86%, New Jersey 7%, Florida 6%. Top recipient cities: Philadelphia, PA; Litiz, PA; Bradenton, FL.
  • 0% of grants with a stated purpose were for general or operating support.
  • 56% of recipients were new grantees, not repeat recipients.

Example grants

  • Children's Hospital of Philadelphia (Ruth Abaya) · Philadelphia, PA

    Research Fellowship

    $198K

  • Philadelphia City Fund (David Irizarry) · Philadelphia, PA

    Philadelphia Police Department

    $188K

  • Juvenile Law Center · Philadelphia, PA

    Research Fellowship

    $186K

  • Resolve Philly (Steve Volk) · Litiz, PA

    Research Fellowship

    $180K

  • National Assessment Center (Anne Marie Ambrose) · Bradenton, FL

    Research Fellowship

    $175K

IRS Form 990-PF, 2025. Amounts as reported by the funder. Full 990 history →

Focus Areas & Funding Uses

Fields of Work

  • Youth leadership
  • Youth programs
  • Education
  • Criminal justice

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