Maryland · Nonprofit
CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL
CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL (Maryland) receives grants from 11 organizations whose IRS filings report $2,292,834 to it, the largest being VANGUARD CHARITABLE ENDOWMENT PROGRAM ($1,323,460). 8 of them have funded it in more than one year, and 91% of the money arrives through donor-advised or pass-through sponsors rather than from an institution directly.
- Revenue FY2025
- $8.7M
- Funders on record
- 11
- Grants received
- $2.3M
- Net assets
- $6.1M
What Calvert County Day School Inc T/A the Calverton School does
Mission
Fostering a culture of respect, high expectations, and shared experiences, the calverton school instills in students intellectual curiosity, personal responsibility, and a strong work ethic to prepare them for higher education and responsible citizenship in a democratic and global community
As stated on its FY2025 Form 990.
Program
Instructionthe calverton school is a coeducational college preparatory day school for students in preschool through grade 12. The campus occupies 153 acres with science and art labs, a black box theater, expansive playing fields, four residential houses, nature trails, forests, streams and marshland, located between the patuxent river and the chesapeake bay. Within our faculty, staff and administrators, the majority hold advanced degrees. Our average class size is 14 and student/teacher ratio is 7:1. Over the past ten years, 98% of our graduates matriculated to four year baccalaureate granting institutions. Our rigorous academic program includes eighteeninternational baccalaureate program courses. There are ten athletic sports with teams at different competitive and developmental levels for our middle and upper school students. The school offers international baacalaureate programs in upper school and runs a small residential boarding program for international students. Technology includes wireless computing on campus, smartboards, ipads for lower school students in kindergarten, 1st-3rd grades and laptops for students in 4th and 5th grade. Students in 6th-12th grades bring their…
$6,851,124 spentof which $1,418,990 as grants$7,523,713 earned by the program100% of program spending
The program described on its FY2024 Form 990. Program spending in total: $6,851,124.
The organization over time
Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2017 to 2018, from $15M to $14M (−10%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
Government-grant reliance: 2022 4%. Grants only. Government contracts and fees sit inside program revenue.
8% of CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL’s revenue is contributions — about as donation-reliant as the typical peer (48% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 5 of the last 9 reported years ran a deficit.
reserve
Leadership and staff
The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.
Who funds it, year by year
2019 → 2023: the base broadened from 7 funders to 8 funders, grant income rose $216k → $1.3M.
6 of 11 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 91% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.
From the IRS filings of CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL leans on a few funders — its largest provides 58% of grant income and the top three 88%; half comes from just 1 funder.
the vertical line marks half of all grant income — 1 funder to its left
92% of the income these shares are computed over arrives through pass-through sponsors or from payers whose filings do not say what kind of payment it is. Concentration is still measured over all of it, because the money is real; what it does not support is a claim about how many institutions have chosen to fund CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL.
Largest funder’s share by year: 2019 68% · 2020 48% · 2021 65% · 2022 40% · 2023 81% — growing more concentrated.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How long its funders stay
67% of CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL's funders are still giving 3 years after their first grant; 73% give in more than one year at all.
Share of funders still giving k years after their first recorded grant, pooled across every acquisition cohort. A funder counts as retained in a year only if it made a grant that year. Measured to FY2023, the last fiscal year that has finished arriving — a funder cannot be counted as lapsed in a year most filers have not reached.
Where its funders are
91% of CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL's grant income arrives through donor-advised or pass-through sponsors, whose addresses record where the money is held rather than where the donor is. Of the $209k that is directly attributable, 95% of it comes from funders outside Maryland, across 4 states.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $2.1M arriving through sponsors registered in 6 states is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Against its field
CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL runs a healthier operating margin than half of the 9,398 education nonprofits its size.
this organization peer median middle 50% of peers· 9,398 education nonprofits $1M–$10M, FY2025
Government funding CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL receives
Grants and contracts to this organization from federal (USASpending) and state checkbooks, reconciled to its EIN. $296k on record.
- Grant$296k
Federal grants vs contracts are distinguished; state line items keep their reported category. Matched by name + geography (the BMF), so coverage is partial and precision-first.
Organizations like CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In Maryland
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
81% of spending goes to programs.
Governance
Footprint & structure
Files a return copy in 1 state
Screen this organization
A dated, signed PDF of the compliance screen for CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL?
- CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL (Maryland) receives grants from 11 organizations whose IRS filings report $2,292,834 to it, the largest being VANGUARD CHARITABLE ENDOWMENT PROGRAM ($1,323,460). 8 of them have funded it in more than one year, and 91% of the money arrives through donor-advised or pass-through sponsors rather than from an institution directly.
- How many funders does CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL have?
- IRS filings report 11 organizations giving $2,292,834 in grants to CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL, 8 of which have funded it in more than one year.
- Who is the largest funder of CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL?
- VANGUARD CHARITABLE ENDOWMENT PROGRAM is the largest funder on record, with $1,323,460 in grants. The full list of funders is on this page.
- How can an organization like CALVERT COUNTY DAY SCHOOL INC T/A THE CALVERTON SCHOOL find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in Maryland. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
Play a game about who funds Calvert County Day School Inc T/A the Calverton School →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2025 (financials across 2017–2025), and the filings of 11 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing