Charity Impact Media

Home › Education

The Principia Corporation

St Louis, MO · EIN 43-0652667 · 501(c)(3) · School
Latest filing: Form 990 for the fiscal year ending June 30, 2025 (tax year 2024) · View the filing · Correct or respond

The Principia Corporation reported $158.2 million in revenue and $113.5 million in expenses for the fiscal year ending June 30, 2025. Of every $100 it spent, $74.55 went to program services, $21.17 to management and general costs and $4.28 to fundraising. Its largest source of revenue was investment income: 57.3% of the total. Government grants made up 5.0%. The highest compensation it reported for one person was $436,410 (Chief Executive). 59 people received more than $100,000 in reportable compensation. Revenue rose 69% between FY2020 and FY2025. Source: Form 990, FY2025.

Where $100 of spending went

The fiscal year ending June 30, 2025 · Form 990, Part IX, line 25 · total expenses $114M

For context, the median across 5,499 covered education charities: $85.56 programs, $13.59 management, $0.85 fundraising (medians computed separately, so they may not sum to $100).

Where $100 of revenue came from

The fiscal year ending June 30, 2025 · Form 990, Part VIII · total revenue $158M

The 990 scorecard · same measures for every charity, no grades

FY2025 filing. Median across 5,499 covered charities in this category, from their latest filings.
MeasureFY2025Median
Program services
Part IX 25(B) ÷ 25(A)
74.6%84.4%
Management & general
Part IX 25(C) ÷ 25(A)
21.2%13.4%
Fundraising
Part IX 25(D) ÷ 25(A)
4.3%0.8%
Fundraising cost per $1 of contributions
Part IX 25(D) ÷ Part VIII 1h
$0.13$0.04
Contributions & grants share of revenue
Part VIII 1h ÷ 12
23.0%19.1%
Government grants share of revenue
Part VIII 1e ÷ 12
5.0%1.1%
Program service revenue share
Part VIII 2g ÷ 12
17.9%69.9%
Highest reported compensation
Part VII-A, columns D–F
$436,410$331,578
Highest compensation as share of expenses
Part VII-A ÷ Part IX 25(A)
0.38%1.28%
People paid over $100,000
Part VII, line 2
598
Net assets, in months of expenses
Part X 33(B) ÷ monthly expenses
130.213.3
Independent voting board members
Part VI 1a–1b
10 of 14100.0%

A median is context, not a target: hospitals, universities, food banks and grantmakers spend in very different ways. What these measures can and can't tell you.

What the money paid for, in its own words

FY2025 · Form 990, Part III · the three largest programs by expense
$45M expenses · 53.1% of program spending · grants $17M · revenue $21M

Instruction: in 1897, mary kimball morgan, a christian scientist, began home-schooling her two sons because she believed she could give them a fuller education than what was being offered in the public schools. Gradually, it became apparent to mrs. Morgan that the establishment of a school was needed. The name "principia", meaning "first principles," was chosen for the school mrs. Morgan established in 1898. Principia's primary purpose is to serve the cause of christian science as an educational institution - not through teaching the theology of christian science, but through providing…

$16M expenses · 19.0% of program spending · revenue $7.5M

AUXILIARY ENTERPRISES: FOOD SERVICES ARE PROVIDED TO STUDENTS, FACULTY, AND STAFF THROUGH TWO FULL-SERVICE DINING ROOMS, PLUS A STUDENT GRILL. DORMITORIES PROVIDE HOUSING AT PRINCIPIA COLLEGE. The St. Louis campus accepts both day and boarding students. STUDENTS MAY PURCHASE A VARIETY OF SCHOOL SUPPLIES, BOOKS, CLOTHING, AND PERSONAL ITEMS AT EITHER THE COLLEGE OR SCHOOL BOOKSTORE

$15M expenses · 17.8% of program spending

STUDENT SERVICES: INCLUDES ADMISSIONS, REGISTRAR, COLLEGE ATHLETICS, OFFICE OF STUDENT LIFE, AND HEALTH SERVICES. PRINCIPIA COLLEGE IS A MEMBER OF THE ST. LOUIS INTERCOLLEGIATE ATHLETIC CONFERENCE (SLIAC), WHICH INCLUDES 10 COLLEGES LOCATED IN KENTUCKY, ILLINOIS, IOWA, AND MISSOURI. PRINCIPIA TEAMS COMPETE IN 6 MEN'S AND 7 WOMEN'S SPORTS. NO ATHLETIC SCHOLARSHIPS ARE OFFERED BY ANY MEMBER OF SLIAC. PRINCIPIA COLLEGE MAINTAINS SEVERAL ATHLETIC FACILITIES, INCLUDING AN ATHLETIC CENTER, NATATORIUM, FIELD HOUSE, INDOOR TENNIS CENTER, 4 OUTDOOR FIELDS, OUTDOOR TENNIS COURTS, AND RUNNING TRAILS.…

$8.5M all other programs (line 4d)

Highest reported compensation

FY2025 · Form 990, Part VII, Section A · roles as filed; names are in the filing, not here
RoleFrom this orgFrom related orgsOtherTotal
Chief Executive
Officer, 40.0 hrs/week
$306,539$0$129,871$436,410
Head of School
Officer, 40.0 hrs/week
$282,650$0$70,119$352,769
College President
Officer, 40.0 hrs/week
$268,483$0$83,561$352,044
Chief Investment Officer
Officer, 40.0 hrs/week
$300,156$0$23,547$323,703
CFO/COO
Officer, 40.0 hrs/week
$269,134$0$17,406$286,540
Assistant Secretary/General Counsel
Officer, 40.0 hrs/week
$231,732$0$30,455$262,187
Chief Advancement, Marketing and Communications Officer
Key employee, 40.0 hrs/week
$196,128$0$59,389$255,517
Chief Human Resources Officer
Highest compensated employee, 40.0 hrs/week
$155,999$0$70,935$226,934

59 people received more than $100,000 in reportable compensation from The Principia Corporation (Part VII, line 2). Compensation of current officers, directors and key employees totaled $3.4M (Part IX, line 5).

6 years of filings

Form 990, Parts I, VII, IX and X · each row is that year's own filing, linked
RevenueExpenses
$0$100M$200M$300M$400MFY2020FY2021FY2022FY2023FY2024FY2025$158M$114M
FilingRevenueExpensesProgramsNet assetsTop pay
FY2025 ⓘ$158M$114M74.6%$1.23B$436,410
FY2024 ⓘ$111M$108M75.3%$1.15B$396,975
FY2023 ⓘ$86M$101M77.6%$1.08B$379,990
FY2022 ⓘ$257M$92M77.9%$1.05B$360,553
FY2021 ⓘ$109M$91M73.1%$989M$373,910
FY2020 ⓘ$94M$92M75.9%$796M$367,883

Governance answers, as filed

FY2025 · the organization's own yes/no answers; explanations, if any, are in Schedule O of the filing · what each means
  • Voting board members, and how many are independent Part VI, lines 1a–1b14 · 10 independent
  • Audited financial statements Part XII 2bYes
  • Conflict-of-interest policy Part VI 12aYes
  • Whistleblower policy Part VI 13Yes
  • Document retention policy Part VI 14Yes
  • Independent process for top executive pay Part VI 15aYes
  • Board given the 990 before filing Part VI 11aYes
  • Family or business ties among insiders Part VI 2No
  • Aware of a significant diversion of assets Part VI 5No
  • Excess benefit transaction with an insider Part IV 25aNo
  • Loans to or from insiders outstanding Part IV 26No
  • Lobbying, or a 501(h) election in effect Part IV 4No
  • Over $15,000 of professional fundraising services Part IV 18No
  • Over $10,000 of activity outside the U.S. Part IV 14bYes
  • Employees Part I, line 51,160
  • Volunteers Part I, line 6413

Largest outside contractors

FY2025 · Form 990, Part VII, Section B · businesses only
Azimuth Energy
Construction materials and services
$2,948,488
Helmkamp Construction Co
Construction materials and services
$868,228
Slaydon Glass Inc
Construction materials and services
$607,999
Dynamic Controls Inc
Construction materials and services
$553,792
DH Pace Co
Construction materials and services
$512,578

Individuals listed as contractors are left out. 37 contractors were paid more than $100,000 in all.

Private foundation grants it received

28 private foundations reported grants to The Principia Corporation totaling $785K on their tax year 2023 Form 990-PF returns. See which foundations, on WHOFUNDS.

Source: WHOFUNDS open grant graph, matched from Form 990-PF Part XV.

Correct a figure or respond

Every number above is copied from The Principia Corporation's own Form 990. If one doesn't match the filing, that's our error and we'll fix it. If you work for The Principia Corporation, you can publish a response that is linked from this page.

Similar-sized charities in this cause

All education charities · Largest charities in Missouri

Questions people ask

How much of The Principia Corporation's spending goes to programs?

In the fiscal year ending June 30, 2025, The Principia Corporation reported that 74.6% of its $113.5 million in expenses went to program services, 21.2% to management and general and 4.3% to fundraising (Form 990, Part IX).

How much does The Principia Corporation pay its top executive?

The largest total compensation The Principia Corporation reported for one person in the fiscal year ending June 30, 2025 was $436,410, for the role of Chief Executive (Form 990, Part VII, including compensation from related organizations and other compensation).

Where does The Principia Corporation get its money?

Of $158.2 million in revenue in the fiscal year ending June 30, 2025, 23.0% came from contributions and grants (including 5.0% from government grants) and 17.9% from program service revenue (Form 990, Part VIII).

Is The Principia Corporation a registered charity?

The IRS lists EIN 43-0652667 as a 501(c)(3) organization (school), and its records show contributions as tax-deductible. Form 990 filings on record here cover tax years 2019, 2020, 2021, 2022, 2023, 2024. A filing shows what the organization reported; it doesn't by itself show whether a program works.

Sources

  • FY2025: Form 990 for the fiscal year ending June 30, 2025, object 202601249349301645 · read the filing · XML
  • FY2024: Form 990 for the fiscal year ending June 30, 2024, object 202541269349300634 · read the filing
  • FY2023: Form 990 for the fiscal year ending June 30, 2023, object 202431249349302143 · read the filing
  • FY2022: Form 990 for the fiscal year ending June 30, 2022, object 202321049349301517 · read the filing
  • FY2021: Form 990 for the fiscal year ending June 30, 2021, object 202220889349300762 · read the filing
  • FY2020: Form 990 for the fiscal year ending June 30, 2020, object 202110489349301036 · read the filing

All filings for EIN 43-0652667: ProPublica Nonprofit Explorer · IRS Tax Exempt Organization Search. Figures are as the organization reported them; we have not audited them.