Charity Search / ARRO FOUNDATION INC
Science & Technology (U40) 990 on File

ARRO FOUNDATION INC

EIN: 83-4410649 · SAN ANTONIO, TX 78258-4645 · United States · FY 2025 Data
3 out of 5 45 / 100 Based on 2+ years of filings
Financial strength (30%) 68/100
Reliability (20%) 45/100
Effectiveness (25%) 61/100
Impact (25%) No data yet
Financial data: FY 2025 · Scored 9/13/2026
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Financial Overview — FY 2025
$100
Total Revenue
$100
Total Expenses
$2K
Net Assets
N/A
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 100.0%
Fundraising Efficiency N/A
Operating Reserve 181.56x
Liability-to-Asset N/A
Revenue Diversification 79.0%
Compared with Peers
FY 2025
Compared with 323 similar organizations (United States, Science & Technology, under $100K in expenses), FY 2025.
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
100.0% 74.5%
P10P90
Top quarter
Operating reserve
Months of expenses covered by net assets · higher is better
181.6 mo 24.9 mo
P10P90
Top quarter
Revenue concentration
Share of revenue from the largest source · lower is better
79.0% 98.0%
P10P90
Above median
Revenue growth
Year over year revenue growth
40.8% 0.0%
P10P90
Expense growth
Year over year expense growth
-82.5% -8.4%
P10P90
Surplus margin
Surplus as a share of revenue
0.0% 13.2%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2025 $100 $100 $2K 100.0%
2024 $71 $570 $2K 52.6%
2023 $694 $682 $2K 44.0%
2020 $4K $1K N/A 1
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Organization Details
EIN
83-4410649
State
TX
City
SAN ANTONIO
ZIP
78258-4645
Classification
U40
Category
Science & Technology
Rating
3★
Coverage
A
Last Updated
Aug 2026
Form 990
On File
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