
The Infinite Sums Rural & Small Libraries Cohort Grant Program is supported by the Simons Foundation as part of its Infinite Sums national initiative and offered in partnership with SciStarter. ARSL is proud to offer this educational training experience and financial support to small and rural libraries across the U.S.
Fifteen library workers will be selected to host math inspired community-wide events for patrons of all ages on Pi Day, Infinity Day, and Fibonacci Day in 2026. Cohort members will attend monthly virtual training sessions and two in-person gatherings.
Seeking to inspire a collective of math ‘ambassadors,’ challenging existing ideas of who can and should lead math engagement efforts. The initiative will cast a spotlight on people from both rural and urban communities, parents and caregivers, artists and cultural influencers, and more.
Infinite Sums will change the trajectory of how math is appreciated and pursued. Through memorable experiences, people will see the beauty in math’s infinite intricacies — and perhaps discover how they fit into the pattern.
Complete application online between 09/01/2025 - 09/30/2025. Contact info@arsl.org with questions.
This application is open to public libraries located in the United States.
501(c)(3) status is not required.
ARSL membership is not required.
Libraries must serve small and/or rural communities.
As a guide, the Institute for Museum and Library Services (IMLS) defines a rural community as one that is more than, or equal to, ten miles from an urbanized area (defined as a town/city with a population of 25,000 or greater) and small communities to have a population of 25,000 or less.
Many rural libraries serve communities in their surrounding area and thus may have a total service population that is greater than 25,000. As long as there are no towns/cities in or within 10 miles of your service area with a population of 25,000 or more, it would be eligible.
If libraries are part of a single state-wide institution or are organized into regional/county systems, as long as the library or branch that is applying serves a small/rural population, it would be eligible.
Libraries are welcome to contact info@arsl.org to confirm eligibility prior to submission.
All three math inspired community library events must be hosted on the following dates:
Pi Day – 3/14/2026
Infinity Day – 8/8/2026
Fibonacci Day – 11/23/2026
Applicants must be available to attend:
Simons Foundation's Convening in New York City: 1/25–1/26
ARSL 2026 Conference in Montgomery, AL: 9/17–9/19
Virtual cohort sessions begin November 2025 (1 hour per month)
Program concludes January 2027
None.
The Infinite Sums Rural & Small Libraries Cohort Grant Program is supported by the Simons Foundation as part of its Infinite Sums national initiative and offered in partnership with SciStarter. ARSL is proud to offer this educational training experience and financial support to small and rural libraries across the U.S.
Fifteen library workers will be selected to host math inspired community-wide events for patrons of all ages on Pi Day, Infinity Day, and Fibonacci Day in 2026. Cohort members will attend monthly virtual training sessions and two in-person gatherings.
Seeking to inspire a collective of math ‘ambassadors,’ challenging existing ideas of who can and should lead math engagement efforts. The initiative will cast a spotlight on people from both rural and urban communities, parents and caregivers, artists and cultural influencers, and more.
Infinite Sums will change the trajectory of how math is appreciated and pursued. Through memorable experiences, people will see the beauty in math’s infinite intricacies — and perhaps discover how they fit into the pattern.
Complete application online between 09/01/2025 - 09/30/2025. Contact info@arsl.org with questions.
This application is open to public libraries located in the United States.
501(c)(3) status is not required.
ARSL membership is not required.
Libraries must serve small and/or rural communities.
As a guide, the Institute for Museum and Library Services (IMLS) defines a rural community as one that is more than, or equal to, ten miles from an urbanized area (defined as a town/city with a population of 25,000 or greater) and small communities to have a population of 25,000 or less.
Many rural libraries serve communities in their surrounding area and thus may have a total service population that is greater than 25,000. As long as there are no towns/cities in or within 10 miles of your service area with a population of 25,000 or more, it would be eligible.
If libraries are part of a single state-wide institution or are organized into regional/county systems, as long as the library or branch that is applying serves a small/rural population, it would be eligible.
Libraries are welcome to contact info@arsl.org to confirm eligibility prior to submission.
None.
All three math inspired community library events must be hosted on the following dates:
Pi Day – 3/14/2026
Infinity Day – 8/8/2026
Fibonacci Day – 11/23/2026
Applicants must be available to attend:
Simons Foundation's Convening in New York City: 1/25–1/26
ARSL 2026 Conference in Montgomery, AL: 9/17–9/19
Virtual cohort sessions begin November 2025 (1 hour per month)
Program concludes January 2027
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