Glenbrook South Instrumental League
Nonprofit profile at a glance
- EIN
- 237385862
- IRS 990-EZ coverage
- 2022–2025
- Forms available
- Form 990-EZ 2025
- Location
- Glenview, IL, USA
- Phone
- 8476910463
- Rating confidence
- Limited
- Sector
- Performing Arts Schools
Reported finances
- Revenue
- $52,705
- Expenses
- $32,487
- Assets
- $71,179
- Liabilities
- $2,272
Source: IRS Form 990-EZ. Selected filing: tax year 2025. Amounts in USD.
Leadership & pay
3 people listed
Executive titles in this filing
- BETH PARKER (PRESIDENT)
People named in this filing
- BETH PARKER (PRESIDENT)
- LAURA HANCKO (TREASURER)
- RHONDA HUEBLEIN (SECRETARY)
Selected names, not a complete roster or a statement of current roles. Open leadership details for the complete filed list.
Source: IRS Form 990-EZ. Selected filing: tax year 2025. Names and roles reflect this filing, not necessarily current officeholders.
Overview
Mission
Support of the music program which provides experiences for high school students in several aspects of music - jazz, marching and concert.
What it reported doing in 2025
Support of the music program, which provides experiences for high school students in several aspects of music - jazz, marching adn concert.
Operating model
- Revenue model
- Other-operating. 72% of the money available for current operations came from other operating revenue.
- Distribution model
- Cannot be determined from the filing. The filing does not provide enough consistent spending detail to tell whether the nonprofit works directly or through others.
The verdict
- The available evidence is not sufficient to produce an overall rating for this filing. This is not a warning sign.
Rating breakdown
- Financial Efficiency: NotEnoughData
- Transparency & Controls: 100
- Sustainability: 69
- Growth: 100
Detailed rating inputs
Financial Efficiency
- Mission deployment rate: Limited
- Program expense ratio: Limited
Transparency & Controls
- Consistency checks: 100%; rating input score 100; 51st percentile among comparable filings
- Major donor itemization: Yes; rating input score 100
Sustainability
- Operating margin: 38.4%; rating input score 85; 85th percentile among comparable filings
- Total-asset coverage ratio: 2.19; rating input score 68; 68th percentile among comparable filings
- Liabilities to assets ratio: 0.03; rating input score 20; 20th percentile among comparable filings
- Officer compensation ratio: 0%; rating input score 56; 56th percentile among comparable filings
Growth
- Program expense growth: 4.7% per year; rating input score 100; 60th percentile among comparable filings
- Revenue growth: 2.2% per year; rating input score 100; 59th percentile among comparable filings
- Asset growth: 17% per year; rating input score 100; 81st percentile among comparable filings
Details
- Where the money goes: Financial trends and filed revenue, expense, asset, and liability detail
- Governance: Filed governance answers
- Accomplishments: 1 filed program accomplishment
- Leadership: top reported pay $0 · 3 people listed
- Consistency: 5 of 6 current checks pass · 1 finding to review
- Schedules: 3 filed schedules
- Filing history: 4 filing years from 2022 to 2025
- Contacts: How to reach this organization
- Grant readiness: Federal tax and exclusion status, award history, and grant-maker relationships.
- People: Everyone the filings name, and which of them the filings identify by more than a name.
Key Signals
Signals prioritize questions for review. They are not findings of misconduct.
- Moderate — Transparency & Controls: Part I part ii net assets crosscheck did not reconcile in the filed values.
- High — Sustainability: Liabilities to assets ratio scored 20/100.
- Review — Sustainability: Officer compensation ratio scored 56/100.