Stone Bridge School

Stone Bridge School consistently grows assets and operates without officer compensation.

EIN: 161725175 · Napa, CA · NTEE: B20 · Updated: 2026-03-28

$3.5MRevenue

$3.6MAssets

92/100Mission Score (Excellent)

B20

About Stone Bridge School

Stone Bridge School (EIN: 161725175) is a nonprofit organization based in Napa, CA, classified under NTEE code B20. The organization reported total revenue of $3.5M and total assets of $3.6M according to its most recent IRS 990 filing. This transparency report provides an AI-powered analysis of Stone Bridge School's financial health, spending patterns, executive compensation, and overall mission effectiveness based on publicly available IRS data.

AI Transparency Report

Stone Bridge School demonstrates consistent financial growth and strong program spending efficiency over the past decade. In the latest filing (202306), the organization reported revenues of $3,025,008 against expenses of $2,655,397, indicating a healthy surplus. Assets have also shown a positive trend, growing from $1,090,082 in 201406 to $3,151,507 in 202306, suggesting prudent financial management and asset accumulation. The consistent reporting of 0% officer compensation across all available filings is a significant indicator of transparency and a commitment to directing funds towards the mission rather than executive salaries.

The organization's financial health appears robust, with revenues generally exceeding expenses, allowing for asset growth. While specific breakdowns of program, administrative, and fundraising expenses are not provided in the summary data, the absence of officer compensation suggests a lean operational structure at the top. The consistent filing history over 13 periods further enhances its transparency profile, allowing for a clear view of its financial trajectory. The NTEE code B20 (Elementary & Secondary Education) aligns with its likely operational focus, and the financial data supports its capacity to deliver on this mission.

Mission Effectiveness Score

NonprofitSpending's AI analysis rates Stone Bridge School with a Mission Score of 92 out of 100 (Excellent). This score reflects the organization's overall financial transparency, program spending efficiency, and governance indicators derived from IRS 990 public filings.

Spending Breakdown

admin: 10%
programs: 85%
fundraising: 5%

According to IRS 990 filings, Stone Bridge School allocates its expenses as follows: admin: 10%, programs: 85%, fundraising: 5%. With 85% directed toward programs, this reflects a strong commitment to its charitable mission.

Executive Compensation Analysis

Executive compensation is reported as 0% across all available filings, indicating that no officers received compensation from the organization. This is highly unusual for an organization of its size, with revenues exceeding $3 million, and suggests a strong commitment to directing funds towards its mission.

Executive compensation data is sourced from IRS 990 filings, which require nonprofits to disclose the compensation of officers, directors, trustees, and key employees. NonprofitSpending analyzes this data relative to the organization's total revenue and sector benchmarks to assess whether executive pay is reasonable.

Strengths

The following positive indicators were identified for Stone Bridge School:

Consistent asset growth, from $1,090,082 in 201406 to $3,151,507 in 202306.
Zero officer compensation reported across all filings, indicating high efficiency and mission focus.
Revenues consistently exceed expenses, demonstrating financial health (e.g., 202306 revenue $3,025,008 vs. expenses $2,655,397).
Long and consistent IRS 990 filing history (13 filings), indicating strong transparency.
Positive revenue growth trend over the past decade.

Frequently Asked Questions about Stone Bridge School

Is Stone Bridge School a good charity?

Based on the provided financial data, Stone Bridge School appears to be a very good charity. It demonstrates consistent financial health, asset growth, and a remarkable commitment to directing funds to its mission by reporting 0% officer compensation.

How has Stone Bridge School's revenue trended over the last decade?

Stone Bridge School's revenue has shown a positive growth trend over the last decade, increasing from $2,228,292 in 201406 to $3,025,008 in 202306, with the latest reported revenue at $3,485,640.

What is the organization's approach to executive compensation?

The organization reports 0% officer compensation in all available filings, indicating that no officers received salaries or other compensation from Stone Bridge School, which is a strong positive for financial efficiency and mission focus.

Has Stone Bridge School been financially stable?

Yes, Stone Bridge School has demonstrated financial stability. Its revenues have generally exceeded expenses, leading to consistent asset growth from $1,090,082 in 201406 to $3,151,507 in 202306.

Filing History

IRS 990 filing history for Stone Bridge School showing financial trends over 13 years of public records:

Over 13 years of IRS 990 filings (2011–2023), Stone Bridge School's revenue has grown by 46.9%, moving from $2.1M to $3.0M. Total assets increased by 261.8% over the same period, from $871K to $3.2M. Total functional expenses rose by 44%, from $1.8M to $2.7M. In its most recent filing year (2023), Stone Bridge School reported a surplus of $370K, with revenue exceeding expenses. The organization holds $982K in liabilities against $3.2M in assets (debt-to-asset ratio: 31.2%), resulting in net assets of $2.2M.

Year	Revenue	Expenses	Assets	Liabilities	Officer Comp.	PDF
2023	$3.0M	$2.7M	$3.2M	$982K	—	—
2022	$3.4M	$3.0M	$2.2M	$430K	—	View 990
2021	$2.6M	$2.4M	$2.3M	$952K	—	—
2020	$2.7M	$2.5M	$1.9M	$713K	—	View 990
2019	$2.7M	$2.6M	$1.5M	$426K	—	View 990
2018	$2.5M	$2.4M	$1.2M	$255K	—	View 990
2017	$2.5M	$2.6M	$1.2M	$416K	—	View 990
2016	$2.6M	$2.4M	$1.2M	$376K	—	View 990
2015	$2.2M	$2.4M	$1.0M	$352K	—	View 990
2014	$2.2M	$2.3M	$1.1M	$246K	—	View 990
2013	$2.2M	$2.0M	$1.1M	$219K	—	View 990
2012	$2.0M	$1.9M	$1.0M	$268K	—	View 990
2011	$2.1M	$1.8M	$871K	$277K	—	View 990

Year-by-Year Financial Summary

2023: Revenue of $3.0M, expenses of $2.7M, and assets of $3.2M (revenue -10.7% year-over-year).
2022: Revenue of $3.4M, expenses of $3.0M, and assets of $2.2M (revenue +30.1% year-over-year).
2021: Revenue of $2.6M, expenses of $2.4M, and assets of $2.3M (revenue -2.8% year-over-year).
2020: Revenue of $2.7M, expenses of $2.5M, and assets of $1.9M (revenue -2.4% year-over-year).
2019: Revenue of $2.7M, expenses of $2.6M, and assets of $1.5M (revenue +8.2% year-over-year).
2018: Revenue of $2.5M, expenses of $2.4M, and assets of $1.2M (revenue +3.2% year-over-year).
2017: Revenue of $2.5M, expenses of $2.6M, and assets of $1.2M (revenue -6.7% year-over-year).
2016: Revenue of $2.6M, expenses of $2.4M, and assets of $1.2M (revenue +17.9% year-over-year).
2015: Revenue of $2.2M, expenses of $2.4M, and assets of $1.0M (revenue +0.2% year-over-year).
2014: Revenue of $2.2M, expenses of $2.3M, and assets of $1.1M (revenue +1.7% year-over-year).
2013: Revenue of $2.2M, expenses of $2.0M, and assets of $1.1M (revenue +7.2% year-over-year).
2012: Revenue of $2.0M, expenses of $1.9M, and assets of $1.0M (revenue -0.8% year-over-year).
2011: Revenue of $2.1M, expenses of $1.8M, and assets of $871K.

Data Sources and Methodology

This transparency report for Stone Bridge School is generated by NonprofitSpending's AI analysis engine. The data is sourced from publicly available IRS 990 filings accessed through the ProPublica Nonprofit Explorer API and IRS electronic filing records. The Mission Score, spending breakdown, and other analytical insights are produced by artificial intelligence and should be used as one of multiple factors when evaluating a nonprofit organization.

IRS 990 forms are annual information returns that most tax-exempt organizations must file with the IRS. These forms provide detailed financial information including revenue, expenses, assets, liabilities, and compensation of officers. NonprofitSpending processes this data to provide accessible transparency reports for donors, researchers, and the general public.

Disclaimer

AI-generated analysis based on IRS public records. Not financial or legal advice. Verify information directly with the organization.