| McCallie School Inc | 501(c)(3) | 1938 | $67.5 million | $304 million | 2025-06 |
| The Baylor School | 501(c)(3) | 1935 | $63.6 million | $290.1 million | 2025-06 |
| University of Chattanooga Foundation Inc | 501(c)(3) | 1942 | $52 million | $325.2 million | 2025-06 |
| Girls Preparatory School Inc | 501(c)(3) | 1946 | $41.1 million | $95.6 million | 2025-06 |
| Chattanooga Christian School Inc | 501(c)(3) | 1971 | $32.3 million | $19 million | 2025-06 |
| Boyd - Buchanan School | 501(c)(3) | 1957 | $16.1 million | $26.9 million | 2025-06 |
| Campus Development Foundation Inc | 501(c)(3) | 2000 | $14.7 million | $74.2 million | 2025-06 |
| Prep Public Schools | 501(c)(3) | 2017 | $13.5 million | $5.9 million | 2025-06 |
| Mose and Garrison Siskin Memorial Foundation Inc | 501(c)(3) | 1978 | $10.2 million | $49.4 million | 2025-06 |
| Chattanooga Charter School of Excellence | 501(c)(3) | 2010 | $8.8 million | $8.2 million | 2025-06 |
| Richmont Graduate University | 501(c)(3) | 1956 | $8.6 million | $7.5 million | 2025-06 |
| Bright School Inc | 501(c)(3) | 1951 | $8.4 million | $24.5 million | 2025-05 |
| Skyuka Hall | 501(c)(3) | 1968 | $8.4 million | $19.7 million | 2025-06 |
| Chattanooga Girls Leadership Academy Inc | 501(c)(3) | 2009 | $7.5 million | $8.2 million | 2025-06 |
| Montessori Elementary at Highland Park | 501(c)(3) | 2020 | $5.8 million | $3.8 million | 2025-06 |
| Brainerd Baptist School | 501(c)(3) | 2012 | $5.2 million | $1.4 million | 2025-07 |
| Chattanooga Charter School of Excellence Middle | 501(c)(3) | 2014 | $5 million | $4.7 million | 2025-06 |
| Public School Bible Study Committee | 501(c)(3) | 1956 | $3.7 million | $10.4 million | 2025-07 |
| Chattanooga-Hamilton County Public Education Fund | 501(c)(3) | 1989 | $3.3 million | $18.5 million | 2025-06 |
| The Montessori School | 501(c)(3) | 2007 | $2.8 million | $4.7 million | 2025-05 |
| Chattanooga State Community College Foundation | 501(c)(3) | 1978 | $2.5 million | $13.2 million | 2025-06 |
| Chattanooga Charter School of Excellence High | 501(c)(3) | 2021 | $2.1 million | $6.4 million | 2025-06 |
| Chattacademy Community Schools Inc | 501(c)(3) | 2022 | $1.9 million | $1.7 million | 2025-06 |
| Millennial Debt Foundation | 501(c)(3) | 2019 | $1.5 million | $1.5 million | 2025-12 |
| Friends of Chattanooga Prep Inc | 501(c)(3) | 2017 | $1.3 million | $19.5 million | 2025-06 |
| Hamilton County Schools Fund for Excellence | 501(c)(3) | 1990 | $1.1 million | $1.3 million | 2024-12 |
| Chattanooga Christian School Foundation | 501(c)(3) | 2024 | $630,091 | $32 million | 2025-06 |
| Young Womens Leadership Academyfoundation Inc | 501(c)(3) | 2007 | $552,337 | $21 million | 2025-06 |
| Discovery Learners Academy | 501(c)(3) | 2021 | $503,500 | $21,219 | 2024-12 |
| Memakon Inc | 501(c)(3) | 2004 | $502,450 | $197,934 | 2025-12 |
| Hamilton County Schools Foundation | 501(c)(3) | 2021 | $432,711 | $339,953 | 2023-06 |
| East Lake Montessori | 501(c)(3) | 2017 | $426,460 | $724,624 | 2025-06 |
| Gordon Lee Charitable Trust 189-8804337 | 501(c)(3) | 2017 | $417,508 | $3.9 million | 2025-12 |
| Brock Center | 501(c)(3) | 2020 | $340,945 | $315,709 | 2025-06 |
| Chattanooga Outreach | 501(c)(3) | 2015 | $316,829 | $261,007 | 2025-12 |
| National Intercollegiate Flying Association | 501(c)(3) | 1998 | $307,160 | $107,219 | 2025-06 |
| Normal Park Museum Magnet Education Fund | 501(c)(3) | 2015 | $277,518 | $150,575 | 2025-06 |
| Ella Library | 501(c)(3) | 2018 | $258,566 | $94,820 | 2025-06 |
| Two Bikes Chattanooga Inc | 501(c)(3) | 2024 | $175,142 | $163,222 | 2025-12 |
| Logos Tutoring Program | 501(c)(3) | 2022 | $164,248 | $96,548 | 2025-06 |
| Gamma Pi Boule Foundation | 501(c)(3) | 2019 | $128,713 | $388,794 | 2025-12 |
| Chattanooga School for the Arts and Sciences Pto | 501(c)(3) | 2017 | $128,701 | $91,780 | 2025-06 |
| The Chattanooga Public Library Foundation | 501(c)(3) | 1965 | $103,792 | $58,786 | 2024-12 |
| Tennessee Association of Colleges for Teacher Education | 501(c)(3) | 2024 | $86,655 | $47,907 | 2025-12 |
| Rachel Gamble Memorial Scholarship Fund | 501(c)(3) | 2018 | $80,058 | $420,315 | 2025-12 |
| Zeta Phi Fraternity House Inc | 501(c)(3) | 2025 | $65,657 | $668,692 | 2020-12 |
| Polk County Education Foundation | 501(c)(3) | 2005 | $57,417 | $512,929 | 2025-12 |
| Pto Westview Elementary | 501(c)(3) | 2014 | $53,453 | $63,621 | 2026-06 |
| Patriot Foundation Trust | 501(c)(3) | 2007 | $46,763 | $737,860 | 2025-12 |
| Bible Literature Online | 501(c)(3) | 2021 | $22,960 | $188,060 | 2025-07 |
| Chattanooga Woodworking Academy Inc | 501(c)(3) | 2008 | $17,500 | $5,469 | 2025-12 |
| 340B Grantees | 501(c)(4) | 2022 | $0 | $0 | 2025-12 |
| Aabe East Tennessee Chapter | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Aacs Childrens Scholarship Fund Inc | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Ace Mentor Program of America Inc | 501(c)(3) | 2006 | $0 | $0 | 2024-12 |
| Advanced Diabetes Education Inc | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Alabama Alumni and Friendschattanooga Chapter | 501(c)(3) | 2012 | $0 | $0 | 2026-06 |
| Ambleside Discoveries | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| BWRX Studio | 501(c)(3) | 2026 | | | |
| Bowen Theory Education Center Inc | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Cane Raisers of East Hamilton | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Center Space | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Center for Bold Action | 501(c)(3) | 2014 | $0 | $0 | 2023-12 |
| Chattanoga Etiquette Academy | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| Chattanooga Medical Group Management Association | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Chattanooga Modular Modelers Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Chattanooga Ophthalmological Foundation | 501(c)(3) | 1969 | | $5.6 million | 2024-12 |
| Chattanooga Schools of Excellence | 501(c)(3) | 2024 | | | |
| Chattanooga Speculative Fictionfans Inc | 501(c)(3) | 2011 | $0 | $0 | 2025-06 |
| Chattanooga Tamil Academy Incorporated | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Chattanooga Writers Guild | 501(c)(3) | 2004 | $0 | $0 | 2025-07 |
| Chattanoogas Coast-To-Coast College Fair | 501(c)(4) | 2007 | $0 | $0 | 2025-06 |
| Chattlab Makerspace Corp | 501(c)(3) | 2024 | | | |
| City Farms Grower Coalition Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| College Access Center | 501(c)(3) | 2003 | | | 2009-07 |
| Compass Rose Homeschool Cooperative | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Cultural Value Leadership Institute | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Culture Books | 501(c)(3) | 2019 | $0 | $0 | 2025-03 |
| Day Family Foundation Inc | 501(c)(3) | 2022 | | $2.1 million | 2025-12 |
| Democracy VS Autocracy Inc | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Desti | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Educational Cooperative of Chattanooga | 501(c)(3) | 2026 | | | |
| Edusource Unlimited | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Emerald Encore Boosters | 501(c)(3) | 2026 | | | |
| Epsilon Xi Sigma Foundation | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Explorers Homeschool Academy | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| First National University of Naturopathy and Allied Sciences in | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Friends of Cca | 501(c)(3) | 2018 | $0 | $0 | 2025-02 |
| Fundacion Libro Magico | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Glassroots | 501(c)(3) | 2025 | | | |
| Hamilton County & Chattanooga Retired Teachers Associationterm | 501(c)(3) | 2015 | $0 | $0 | 2026-06 |
| Harrison Ruritan Foundation Inc | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Haskel Education Network Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Hazel Elizabeth Robinson Bowles Foundation | 501(c)(3) | 1999 | $0 | $0 | 2023-12 |
| Hickory Valley Christian School Inc | 501(c)(3) | 2004 | | | |
| Homeschool Inspire | 501(c)(3) | 2021 | $0 | $0 | 2025-11 |
| Hope House Utc | 501(c)(3) | 2025 | | | |
| Huma Collaborative | 501(c)(3) | 2025 | | | |
| Indelible Legacy Inc | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Jamal Marvon Rashed Memorial Scholarship Fund Inc | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Jan Pennington Gray Harp Scholarship Fund Inc | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Landing Chattanooga Dental Study Club | 501(c)(3) | 2025 | | | |
| Lookout Valley Band Boosters | 501(c)(3) | 2023 | $0 | $0 | 2026-06 |
| Lookout Valley Quarter Back Club | 501(c)(3) | 2026 | $0 | $0 | 2026-05 |
| McKenzie Foundation | 501(c)(3) | 2006 | | $16.3 million | 2025-12 |
| Media Diva Productions | 501(c)(3) | 2026 | | | |
| Mental Fitness Education | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Moore Camp LLC | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| National Alumni Association of Howard High School | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Onesource Blood Systems Inc | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Pedals for Pencils | 501(c)(3) | 2025 | $0 | $0 | 2025-04 |
| Point Christian Academy Inc | 501(c)(3) | 2023 | | | |
| Psi Chi Chi Chapter | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Psi Lambda Educational Foundation Inc | 501(c)(3) | 2012 | | $74,627 | 2025-12 |
| Pta Tennessee Congress of Parents & Teachers Inc | 501(c)(3) | 1980 | $0 | $0 | 2025-06 |
| Reaching Ambitious Hopefuls | 501(c)(3) | 2026 | | | |
| Reconnect Nature School | 501(c)(3) | 2026 | | | |
| Redemption Kids School of Ministry | 501(c)(3) | 2018 | | | |
| Regents Classical School | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Resurrected Ministries Inc | 501(c)(3) | 2004 | | | |
| Silverdale Baptist Academy | 501(c)(3) | 2004 | | | |
| Solomons Quest Global Educational Outreach Inc | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Sparkman High School Class of 2012 | 501(c)(3) | 2022 | | $60 | 2025-12 |
| Spectrum Utc | 501(c)(3) | 2023 | $0 | $0 | 2024-07 |
| Spirit and Truth Charity | 501(c)(3) | 2026 | | | |
| Student4life Inc | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Tennessee Amateur Radio Association | 501(c)(3) | 2026 | $0 | $0 | 2025-07 |
| Tennessee Sgo | 501(c)(3) | 2026 | $0 | $0 | 2025-07 |
| The Chattanooga Chapter Troa Scholarship Trust | 501(c)(3) | 1996 | | $43,685 | 2024-12 |
| The Passage | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Theta Delta Alumn Foundation | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| United State School of Naturopathy and Allied Science Inc | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Venue Beauty & Nails Barber College | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| William Broadway & Elberta Broadway Educational Scholarship Fund | 501(c)(3) | 2026 | | | |
| Willow Tree Learning Center Corp | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Zeta Phi Beta Sorority | 501(c)(7) | 2012 | $0 | $0 | 2025-06 |