Best Private Grants for Nonprofits in Mississippi

2026 ASPCA Grants for Shelters and Spay/Neuter Clinics

The American Society for the Prevention of Cruelty to Animals® (ASPCA®) is offering up to $14 million in grants to support shelters and spay/neuter clinics in meeting the needs of vulnerable animals throughout the United States, including addressing the shortfall in available spay/neuter surgeries. We will fund qualified proposals that support:

• Critical shelter infrastructure
• Strengthening shelter essentials
• Increasing the number of spay/neuter surgeries year-over-year 
• Major capital projects that increase spay/neuter capacity
• Special projects that increase spay/neuter capacity

Shelter Grants

Strengthening Shelter Essentials

Only one application per agency/organization will be considered. 

Applicants may choose only one of the five funding categories. Our interest is in meeting your most pressing needs in one of the offered categories; we do not have our own preference for funding one category over another. We will fund the most compelling proposals, regardless of category chosen.

The AARP Community Challenge Grant supports projects that enhance community living for residents aged 50 and older. With a focus on immediate improvements and long-term progress, grants range from $10,000 to $25,000, covering areas like public spaces, transportation, and digital literacy. Since 2017, AARP has awarded over $20.1 million through more than 1,700 grants across the U.S. Eligible organizations include nonprofits and government entities committed to serving the needs of older adults.

The World Trade Center Scholarship in New Jersey provides financial support to dependent children and surviving spouses of residents who lost their lives in the September 11 attacks. Administered by HESAA, this scholarship covers tuition, fees, and other educational costs at eligible institutions. Applicants must be full-time students and maintain satisfactory academic progress. The award amount varies each year based on funding and need, ensuring that assistance is available to those who have lost financial support due to these tragic events.

About Us

For over three decades, the Hamilton Education Foundation (HEF) has been sparking innovation and expanding horizons within our classrooms. Since 1991, this community-powered non-profit has channeled more than $2.5 million from passionate individuals, local businesses, and forward-thinking organizations directly into the hands of Hamilton’s students and teachers. 

By funding transformative workshops, creative projects, and classroom grants, HEF doesn't just support education—it inspires students to dream bigger, rewards academic excellence, and builds a stronger, more vibrant community.

Our Vision

The vision of the Hamilton Education Foundation is to assist in achieving creative and academic excellence for the 21st Century through funding activities and projects for students and educators in the Hamilton School District.

Our Mission

Our mission, in partnership with the community, is to fund, Enhanced, Extended, and Enriched learning opportunities for students and educators in the Hamilton School District.

Teacher Grants

Educator Enrichment Grant

The Educator Enrichment Grant funds teacher participation in off-campus professional development, including seminars, workshops, conferences, and externships. 

PetSmart Charities

We’re proud to celebrate over 30 years of being the leading funder of animal welfare in communities across North America. Since 1994, we’ve granted over $600 million to change-making organizations that help transform the lives of pets and those who love them.

Our Mission: We make the world a better place for pets by investing in community partners that advocate and care for the well-being of pets and all who love them.

Adoption Growth Grants 

Purpose

Adoption Growth grants drive lifesaving outcomes by supporting successful, sustainable in-store adoption programs, events, and results in partnership with PetSmart stores.

Funding Support

Funding may be used for costs associated with building or enhancing your organization’s adoption program in partnership with PetSmart stores, including:

• Staff positions supporting in-store adoption programs and events.
• Marketing and advertising for in-store adoption programs.
• Volunteer or foster support, incentives, and recruitment related to in-store adoption events.
• Event supplies, including containment and enrichment materials.
• Shelter software and technology needs.
• Vehicle repairs or transportation to adoption events.
• Innovative in-store adoption ideas and pilot programs.
• Other costs directly associated with facilitating PetSmart adoptions and in-store events.

There are two Cohorts under this funding: Cohort 1-  Accelerating in-store adoptions; and Cohort 2: Capacity Building.

Cohort 2: Capacity Building

Applicants must have completed at least one adoption in a PetSmart store within the last 12 months.

Preference will be given to organizations seeking to build a consistent, sustainable in-store adoption program. Applications should include a clear plan, with examples, for sustaining the program over time.

Four Required Steps

Applicants must complete all four required steps below before submitting a grant application:

• Step 1 - Watch the kick-off video and complete the Adoption Accessibility Questionnaire
• Step 2 - Confirm eligibility and connect with your Adoptions Grant Manager: After completing the questionnaire, you will receive an email confirming your eligibility. Eligible partners will be invited to a call with their Adoptions Grant Manager to discuss the grant opportunity, expectations, and potential fit.
• Step 3 - Engage your PetSmart store partners: Discuss your intent to apply, align on goals, and gain their commitment to support the success of your in-store adoption program.
• Step 4-  Submit your application.

The Sara Corrie Memorial Grants, administered by the National Speleological Society, support group cave exploration in the U.S. and its territories. Up to six grants of $1,000 each are awarded annually to NSS members. Applications must detail exploration plans, including costs for necessary equipment. Grants are not provided for activities outside of exploration. Successful recipients must report findings and may have their proposals published on the NSS website.

The Zeller Summer Scholarship in Medicinal Botany, initiated by the Garden Club of America, supports US undergraduate students pursuing summer studies in medicinal botany. Established in 2003 in honor of Caroline Brown's family, the scholarship encourages students to engage in various educational projects and internships. Eligibility includes enrollment in an accredited US college, with restrictions on international applicants. This initiative fosters knowledge in the field, promoting environmental awareness and academic excellence.

The NATA Masters Student Grant Program, facilitated by the NATA Foundation, supports innovative research projects by master's students in athletic training. With a funding limit of $1,000 for one year, this program emphasizes ethical research practices and collaboration with faculty mentors. Eligible applicants must be current master's students and members of NATA. The foundation aims to enhance the athletic training profession through research and education, fostering growth and development in healthcare.

The Anne S. Chatham Fellowship in Medicinal Botany, funded by the Garden Club of America, aims to protect and expand knowledge of medicinal plants. It offers a $4,500 grant to support Ph.D. students and recent graduates in pursuing essential research that may otherwise be inaccessible. This initiative not only fosters botanical research but also contributes to the development of therapies that enhance patient quality of life and potentially save lives.

The NATA Doctoral Student Grants Program, offered by the National Athletic Trainers’ Association Foundation, provides financial support for innovative research projects in athletic training. Each year, multiple awards of up to $2,500 are available, with funding limited to direct costs over a maximum of one year. This initiative aims to enhance the profession through research, benefiting athletic trainers and the broader physically active community.

The Arnold O. Beckman Postdoctoral Fellowship offers researchers the opportunity to advance their studies in Chemical Sciences or Chemical Instrumentation. This program supports innovative research within fundamental chemistry and the development of new instrumentation. Candidates must be U.S. citizens or permanent residents, or DACA recipients, with a PhD in the chemical sciences anticipated by May 1, 2026. Mentorship from a qualified institution is required, fostering independent research capabilities in a collaborative environment.

The Innovations in Graduate Education (IGE) Program, funded by the National Science Foundation, aims to transform STEM graduate education through innovative training approaches. It encourages proposals that support skill development for STEM careers and research on effective educational systems. The program offers funding for projects that pilot and validate novel educational models, promoting broad participation and collaboration with various sectors. Awards range from $300,000 to $1,000,000, depending on the track and project duration.

The NATA Foundation's Professional Grants Program - New Investigator Grant offers up to $20,000 in funding for innovative research projects in athletic training. This program is aimed at supporting new investigators who are NATA members and BOC certified athletic trainers. The grant fosters research that enhances the profession and contributes to the health and safety of physically active individuals, promoting evidence-based practices in athletic training.

The NATA Foundation, established in 1991, is dedicated to advancing the athletic training profession through research and education. It offers the Professional Grants Program to support exceptional research projects relevant to athletic training. With a funding limit of $50,000 over three years, the program encourages diverse proposals, ensuring that the primary or co-primary investigator is a BOC certified athletic trainer. This initiative aims to enhance the profession and benefit the broader physically active community.

PetSmart Charities

We’re proud to celebrate over 30 years of being the leading funder of animal welfare in communities across North America. Since 1994, we’ve granted over $600 million to change-making organizations that help transform the lives of pets and those who love them.

Our Mission: We make the world a better place for pets by investing in community partners that advocate and care for the well-being of pets and all who love them.

Adoption Growth Grants 

Purpose

Adoption Growth grants drive lifesaving outcomes by supporting successful, sustainable in-store adoption programs, events, and results in partnership with PetSmart stores.

Funding Support

Funding may be used for costs associated with building or enhancing your organization’s adoption program in partnership with PetSmart stores, including:

• Staff positions supporting in-store adoption programs and events.
• Marketing and advertising for in-store adoption programs.
• Volunteer or foster support, incentives, and recruitment related to in-store adoption events.
• Event supplies, including containment and enrichment materials.
• Shelter software and technology needs.
• Vehicle repairs or transportation to adoption events.
• Innovative in-store adoption ideas and pilot programs.
• Other costs directly associated with facilitating PetSmart adoptions and in-store events.

There are two Cohorts under this funding: Cohort 1-  Accelerating in-store adoptions; and Cohort 2: Capacity Building.

Cohort 1- Accelerating in-store Adoptions

Applicants must have completed 500 or more adoptions in a PetSmart store in the U.S. within the last 12 months.

Preference will be given to organizations that demonstrate a clear plan to expand an existing in-store adoption program or introduce new in-store adoption models that will increase adoptions.

Four Required Steps

Applicants must complete all four required steps below before submitting a grant application:

• Step 1 - Watch the kick-off video and complete the Adoption Accessibility Questionnaire
• Step 2 - Confirm eligibility and connect with your Adoptions Grant Manager: After completing the questionnaire, you will receive an email confirming your eligibility. Eligible partners will be invited to a call with their Adoptions Grant Manager to discuss the grant opportunity, expectations, and potential fit.
• Step 3 - Engage your PetSmart store partners: Discuss your intent to apply, align on goals, and gain their commitment to support the success of your in-store adoption program.
• Step 4-  Submit your application.

Takeda Oncology offers grant funding opportunities aimed at addressing unmet educational and research needs in the medical community. They prioritize support for programs in hematology, thoracic, and gastrointestinal cancers, including lymphoma, leukemia, and previously treated metastatic colorectal cancer. Takeda encourages partnerships that enhance patient outcomes and provide tangible benefits through donations, grants, and sponsorships. Applications must be submitted at least 60 days prior to the program start date for timely review.

The Overwatch Alliance Grants support non-profit organizations with annual revenues of $500,000 or less that aid military members, veterans, and their families. Grants of up to $15,000 are available for impactful projects such as emergency financial assistance, transitional housing, and employment support. Eligible organizations must be IRS-designated 501(c)(3) entities. The Alliance encourages applications from those addressing crucial veteran community needs while reinforcing the importance of community backing for capital projects.

The Farmers Advocating for Organic Grant (FAFO) supports impactful projects that enhance the organic agricultural sector, focusing on initiatives that assist family farmers and promote organic soil health. Eligible applicants include non-profit organizations and research institutions. FAFO prioritizes projects that address the needs of organic dairy, meat, and produce farmers while fostering cooperative growth. This grant aims to strengthen the organic industry and ensure the livelihood of organic farmers across the nation.

The Urology Care Foundation Bridge Award, supported by Dornier MedTech, aims to assist established urology researchers facing financial challenges. It provides up to $60,000 over a 12-month period to sustain vital urologic projects at risk due to funding gaps or setbacks. This unrestricted funding targets independent researchers who are no longer under formal mentorship, ensuring that those actively engaged in research receive timely support to maintain their competitiveness in the field.

The Rotary Club Scholarship, administered by the Beatrice Educational Foundation, offers two $750 scholarships annually to assist deserving students in pursuing higher education. Established in 1987, this nonprofit organization has provided over $55,000 in scholarships each year to Beatrice High School seniors. Priority is given to students exemplifying Rotary's ideals, while children of Rotary members are ineligible. This scholarship supports undergraduate studies, ensuring financial assistance is accessible when needed.

The Altrusa Club of Dayton Ruth Richardson Scholarship honors Ruth Richardson, a dedicated educator who championed higher education for her students despite financial challenges. Established through her efforts in the 1980s, this scholarship supports Montgomery County high school seniors with a minimum 3.5 GPA and financial need, ensuring that deserving students can pursue their college dreams. The scholarship reflects Ruth's legacy of leadership and community service, empowering future generations to achieve their educational goals.

The Colleen O'Toole Memorial Scholarship, established in 1992, honors Colleen O'Toole's dedication to Dayton Power and Light. It provides financial assistance to children of full-time AES Ohio employees, helping to cover tuition costs. Eligible applicants must maintain a minimum 3.0 GPA and demonstrate financial need. This scholarship not only supports educational aspirations but also commemorates a valued employee who served her community faithfully for over 25 years.

The Voya Unsung Heroes Awards Program supports educators with innovative class projects that enhance student learning. Annually, 50 selected educators receive $2,000 each, with three top awards of $5,000, $10,000, and $25,000. This initiative, backed by Voya Financial, aims to empower teachers in accredited K-12 schools across the U.S. to transform their ideas into impactful educational experiences, fostering creativity and engagement in the classroom.

The Amazon Literary Partnership Grant supports nonprofit organizations in the U.S. that empower diverse and marginalized writers. Since 2009, it has provided over $17 million to various literary groups, fostering emerging talent across genres. Eligible organizations must focus on developing writers, celebrating storytelling, and connecting them with audiences. By funding innovative initiatives, Amazon helps ensure that underrepresented voices are heard in the literary community, contributing to a rich and diverse narrative landscape.

The Carnegie-Whitney Grant, established by Andrew Carnegie in 1902, supports the creation of bibliographical aids for American libraries. Grants cover the preparation costs of reading lists and indexes, enhancing access to library resources. Eligibility requires projects to stimulate library use and be broadly appealing, with a focus on national distribution. Notably, completed works and projects under contract are ineligible. The fund encourages innovation in library resource development, welcoming applications from individuals and organizations.

The Shawn Carter Scholarship Fund (SCSF) supports motivated individuals in need by providing financial assistance for education. Aimed at underserved youth and young adults, the SCSF helps cover tuition and related expenses, ensuring access to higher education. Eligible candidates include high school seniors, GED holders, and undergraduate students with a minimum GPA of 2.0. The program encourages community service, fostering a spirit of giving back among its scholars.

The MPS Mathematical Sciences Research Programs (MPS MathSci) by the NSF supports diverse research initiatives in theoretical and applied mathematical sciences. Key areas include Algebra, Applied Mathematics, Combinatorics, and Mathematical Biology. The program encourages groundbreaking foundational research with flexible budgets and durations. Proposals do not need to promise immediate outcomes, allowing researchers to explore innovative concepts without the pressure of commercial viability.