String Theory Schools
Provide stimulating curriculum with an international focus, emphasizing the arts, languages, ideas, and histories, from an array of cultures
String Theory Schools at a glance
- Total assets
- $3,848,729
- +13.3% vs 2024
- Revenue (2025)
- $4,737,319
- +8.3% vs 2024
- Net investment income (2025)
- $81,646
- +31.7% vs 2024
- Expenses (2025)
- $4,279,260
- +6.7% vs 2024
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
Who String Theory Schools funds
How this funder distributes its grants
Grant Size Distribution
1 grant across all recorded years
The most common grant size was in the $500K–1M range: 1 grant of 1 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2022 it made 1 grant totaling $700K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| String Theory Corporation Philadelphia, PA | On march 6, 2021, a nonprofit organization, string theory corporation d/b/a string theory school of design was formed by members of the string theory schools board of trustees for the purpose of operating an educational institution. On august 3, 2021, string theory schools into a grant agreement with string theory corporation for a total of $700,000 to fund operations and formation of the educational institution. The goal of string theory corporation is to operate a school of higher learning for the benefit of students attending one of string theory schools' managed charter schools. $500,000 of the granted contributions are required to be used to fund a segregated, perpetual endowment fund. An additional $200,000 was given to be used for general operations. | $700,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $3,848,729 | $4,737,319 | $4,279,260 | — | — | $81,646 |
| 2024 | $3,395,921 | $4,373,844 | $4,010,055 | — | — | $61,984 |
| 2023 | $2,995,732 | $4,139,575 | $3,774,842 | — | — | $22,750 |
| 2022 | $2,668,571 | $3,922,429 | $4,491,778 | $700,000 | 1 | $2,416 |
| 2021 | $3,302,982 | $3,760,795 | $3,226,590 | — | — | $346 |
| 2020 | $2,723,257 | $3,729,388 | $3,612,935 | — | — | $1,478 |
About String Theory Schools
Based on IRS filings
String Theory Schools is a public charity focused on Education, based in Philadelphia, PA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $3.8M in total assets. Net investment income was $82K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
String Theory Schools is led by Angela Corosanite, CEO on every filing since 2020; 8 of 12 officers listed in 2025 are compensated.
Officers on the 2025 filing
Angela Corosanite
CEO
On filings since 2020
40 hrs/week
$267K (2020) → $381K (2025)
Michelle Faulkner
Director of Spec Executive Director
On filings since 2020
40 hrs/week
$127K (2020) → $154K (2025)
Mary Rita D'alessandro
Board President
Chairman → Board President, 2024
On filings since 2020
2 hrs/week
No compensation reported
Greg Beidleman
Director of Tech
On filings since 2020
40 hrs/week
$118K (2020) → $129K (2025)
Matthew Wasco
Director of Facilities
On filings since 2024
40 hrs/week
$113K (2024) → $118K (2025)
Angelina Dina
Director of Data Management
New on the 2025 filing
40 hrs/week
$115K (2025)
Allison Hussey
Psychologist
On filings since 2020
40 hrs/week
$139K (2020) → $146K (2025)
J. Jason Corosanite
CIO
On filings since 2021
20 hrs/week
$208K (2021) → $140K (2025)
Thayne Dibble
Compliance Manager
On filings since 2021
40 hrs/week
$111K (2021) → $133K (2025)
Frank Genther
Vice President
Board Member → Vice President, 2025
On filings since 2020
2 hrs/week
No compensation reported
Sandra Miller
Secretary
Board Member → Secretary, 2021
On filings since 2020
2 hrs/week
No compensation reported
Karen Raezer
Treasurer
New on the 2025 filing
2 hrs/week
No compensation reported
Former officers (13)
- Former: Norman Balchunas (2020–2024) — Board Member · Filing note: Resigned 6242024
- Former: Danielle Shylit (2021–2024) — Director of Innovation
- Former: Dina Angelina (2023–2024) — Director of Data Managemen
- Former: Thomas Mosca (2023–2024) — Director of Teaching & L
- Former: David Raezer (2024) — Board Member · Filing note: Resigned 6242024
- Former: Joann Stio (2024) — Treasurer · Filing note: Resigned 6242024
- Former: David Reazer (2020–2023) — Board Member
- Former: Devida Jenkins (2020–2023) — Vice Chairman
- Former: Joann Sito (2020–2023) — Treasurer
- Former: Thomas Corosanite (2020–2022) — Director of Facilities
- Former: Adreine Capone (2021) — Academic Supervisor
- Former: Rachel Ravior (2021) — Director of Testing
- Former: Jason J. Corosanite (2020) — CIO
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $381K, to Angela Corosanite (CEO). 8 officers or directors reported compensation on that filing.
Frequently asked questions about String Theory Schools
How large is String Theory Schools?
String Theory Schools reported $3.8M in total assets on its 2025 IRS Form 990. Its revenue that year was $4.7M.
What is String Theory Schools?
String Theory Schools is a public charity focused on Education, based in Philadelphia, PA. It holds $3.8M in total assets as of 2025.
Where does String Theory Schools operate?
String Theory Schools has awarded grants in Pennsylvania.
What is String Theory Schools's EIN?
String Theory Schools's EIN (Employer Identification Number) is 45-2656760. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2022 (received by the IRS May 10, 2023)
- Added Form 990 for fiscal year 2025 (received by the IRS May 15, 2026)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work String Theory Schools funds
Education Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in String Theory Schools's focus areas in our free grants database
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String Theory Schools down — hundreds of funders to go?