Charity Search / WILLIAM S KALLAOS FAMILY FOUNDATION
Philanthropy & Grantmaking (T21) 990 on File

WILLIAM S KALLAOS FAMILY FOUNDATION

EIN: 43-1902767 · CHESTERFIELD, MO 63017-7930 · United States · FY 2024 Data
3 out of 5 51 / 100 Based on 2+ years of filings
Financial strength (30%) 90/100
Reliability (20%) 55/100
Effectiveness (25%) 51/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
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Financial Overview — FY 2024
$76K
Total Revenue
$105K
Total Expenses
$1.4M
Net Assets
N/A
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 86.7%
Fundraising Efficiency N/A
Operating Reserve 159.23x
Liability-to-Asset 0.0%
Revenue Diversification 80.3%
Executive Compensation $0
Compared with Peers
FY 2024
Compared with 16,645 similar organizations (United States, Philanthropy & Grantmaking, $100K–$1M in expenses), FY 2024.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
86.7% 90.2%
P10P90
Below median
Operating reserve
Months of expenses covered by net assets · higher is better
159.2 mo 95.2 mo
P10P90
Above median
Liabilities to assets
Total liabilities / total assets · lower is better
0.0% 0.0%
P10P90
Top quarter
Revenue concentration
Share of revenue from the largest source · lower is better
80.3% 90.4%
P10P90
Above median
Revenue growth
Year over year revenue growth
78.6% 18.5%
P10P90
Expense growth
Year over year expense growth
-9.8% 6.7%
P10P90
Surplus margin
Surplus as a share of revenue
-38.9% 1.2%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $76K $105K $1.4M 86.7% —
2023 $42K $117K $1.4M 88.7% —
2022 $29K $117K $1.5M 84.1% —
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Organization Details
EIN
43-1902767
State
MO
City
CHESTERFIELD
ZIP
63017-7930
Classification
T21
Category
Philanthropy & Grantmaking
Rating
3★
Coverage
A
Last Updated
Aug 2026
Form 990
On File
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