KEYSTONE MONTESSORI CHARTER SCHOOL

EIN: 860941637 501(c)(3) Education

PHOENIX, AZ

Total Revenue
$4,155,420
Total Expenses
$4,365,170
Total Assets
$4,720,300
Net Assets
$1,485,820
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Financial Vulnerability Assessment (Tuckman-Chang)

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Financial Trends

Organization Details

Formation Year
1998
Legal Domicile
AZ
Principal Officer
LAURA HERTZLER
Phone
4804607312
Tax Period
2023-07-01 to 2024-06-30

KEYSTONE MONTESSORI CHARTER SCHOOL, founded in 1998, is a community nonprofit in the Education sector that reported $4.2M in total revenue in fiscal year 2023. Revenue decreased 13% compared to the prior year.

Mission

THE SCHOOL PROVIDES EDUCATIONAL SERVICES USING MONTESSORI TEACHING METHODS. THE SCHOOL PROVIDES THESE SERVICES THROUGH THE NINTH GRADE. PRESCHOOL AND SUMMER SCHOOL PROGRAMS ARE ALSO PROVIDED.

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Trantor Score

Financial Health Score (300–850) · Liquidity · Solvency · Sustainability · Efficiency

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Liquidity (40%) • Solvency (30%) • Sustainability (20%) • Efficiency (10%)

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Financial Overview (2023)

Revenue Breakdown

Contributions & Grants $2,650,684
Program Service Revenue $1,455,817
Investment Income $14,922
Other Revenue $33,997
TOTAL REVENUE $4,155,420

Expense Breakdown

Grants Paid $0
Salaries & Benefits $3,040,979
Fundraising Expenses $67,421
Program Expenses $3,898,327
Other Expenses $1,324,191
TOTAL EXPENSES $4,365,170

Year-over-Year Comparison

2023 2022 Change
Revenue $4,155,420 $4,769,147 -0.1%
Expenses $4,365,170 $4,312,040 +0.0%
Net Income $-209,750 $457,107 -1.5%
Key Indicators
Grants to Organizations Grants to Individuals Lobbying Political Activity Foreign Activities Donor Advised Fund Schedule B Required
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Financial Health Indicators

Comprehensive financial analysis: Altman Z-Score, liquidity, solvency, sustainability, efficiency, and growth metrics

Financial Distress Indicator

Liquidity & Cash Position

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Altman Z-Score • Liquidity Ratios • Solvency Analysis • Growth Indicators • Efficiency Metrics

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Governance

Voting Members
6
Independent Members
5
Employees
64
Volunteers
100

Governance Policies

Conflict of Interest Policy
Whistleblower Policy
Document Retention Policy

Special Practices & Reported Activities

Operated a School
Operated a Hospital
Provided First Class Travel
Reported Conflict of Interest
Reported Asset Diversion
Excess Benefit Transaction
Made Political Expenditures
Engaged in Lobbying
Operated Donor Advised Fund
Maintained Art Collections
Filed Form 720

Compensation of Officers, Directors & Key Employees

Total Officers
3
$113,238
Total Directors
6
$61,443
Key Employees
0
$0
Highest Compensated
0
reported
Name Title Hours/Week Role Reportable Comp Other Comp Total
LAURA HERTZLER HEAD OF SCHO 40.00
Officer
$113,238 $0 $113,238
STACY BURNETT DIRECTOR 1.00
Director
$0 $0 $0
ED STOCK DIRECTOR 1.00
Director
$0 $0 $0
TRICIA FULLER VICE PRESIDE 1.00
Officer Director
$0 $0 $0
NOEL ALFONSO PRESIDENT 1.00
Officer Director
$0 $0 $0
BLANCA VILLALOBOS DIRECTOR/LEA 40.00
Director
$61,443 $0 $61,443
JESSICA JARRETT DIRECTOR 1.00
Director
$0 $0 $0
Note: Compensation data is self-reported by the organization on their Form 990. "Reportable Comp" includes salary, bonuses, and other reportable compensation from the organization and related organizations. "Other Comp" includes benefits, deferred compensation, and non-taxable benefits.

Historical Data

Year Revenue Expenses Assets Net Income
2025 No data No data No data No data
2024 $4,155,420 $4,365,170 $4,720,300 $-209,750
2023 $4,769,147 $4,312,040 $4,971,388 $457,107
2022 $3,879,607 $3,787,154 $4,689,235 $92,453
2021 $3,755,562 $3,475,686 $4,871,102 $279,876
2020 $3,481,674 $3,327,524 $5,193,408 $154,150
2019 $3,530,524 $3,602,234 $4,533,078 $-71,710
2018 $3,551,782 $3,551,127 $4,840,090 $655
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