Nonprofit · EIN 83-3660999
GRANITE MOUNTAIN CHARTER SCHOOL
Tax-exempt · LUCERNE VLY, CA 92356
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $64,730,660 | $62,014,330 | $2,716,330 | $13,402,768 | $7,663,782 | $5,738,986 |
| June 30, 2024 | 990 | $55,797,413 | $54,998,146 | $799,267 | $12,789,686 | $9,767,030 | $3,022,656 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $64,180,211
- of which government grants
- $64,180,211
- Program service revenue
- $0
- Investment income
- $16
- Other revenue
- $550,433
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $179,070
- Other salaries and wages
- $32,735,310
- Salaries, compensation and benefits (total)
- $44,407,589
- Professional fundraising fees
- $0
- Legal fees
- $268,047
- Accounting fees
- $662,126
- Occupancy
- $273,746
- Travel
- $172,709
- Depreciation
- $17,463
- Program services (functional)
- $58,029,499
- Management and general (functional)
- $3,984,831
Balance sheet and other
- Total assets, start of year
- $12,789,686
- Total assets, end of year
- $13,402,768
- Total liabilities, end of year
- $7,663,782
- Net assets, end of year
- $5,738,986
- Land, buildings and equipment
- $115,799
- Net assets without donor restrictions
- $5,738,986
- Gross receipts
- $64,730,660
- Employees
- 357
- Volunteers
- 4
- Year formed
- 2019
- State of legal domicile
- CA
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| KRISTY PHILIPS | CHIEF ACADEMIC OFFICER Key employee | 40 | $171,857 | $57,424 |
| CHRISTINA PHILIPS | CHIEF OF SECONDARY EDUCATION Key employee | 40 | $163,558 | $55,839 |
| ANA MEJIA-SANTANA | CHIEF OF STAFF Key employee | 40 | $160,233 | $53,628 |
| CHRISTINA NAVARRO-CABERO | CHIEF OPERATIONS OFFICER Key employee | 40 | $176,167 | $33,648 |
| BROOK MACMILLAN | EXECUTIVE DIRECTOR Officer | 40 | $173,419 | $33,123 |
| LAUREN ANDERSON | DIRECTOR OF PLUGGEDIN! Highest-paid employee | 40 | $152,487 | $53,724 |
| MICHELLE WENDELL | SENIOR DIRECTOR Highest-paid employee | 40 | $166,045 | $31,715 |
| JESSICA RONQUILLO | CHIEF BUSINESS OFFICER Key employee | 40 | $161,789 | $30,902 |
| DANIELLE HERNANDEZ | ASST. DIRECTOR OF VIRTUAL Highest-paid employee | 40 | $158,323 | $30,240 |
| AMY THOMPSON | CHIEF PROGRAM OFFICER Key employee | 40 | $155,642 | $29,728 |
| RANDI GEORGE | DIRECTOR OF STUDENT ACHIEV Highest-paid employee | 40 | $151,449 | $28,927 |
| KRISTIN BUTLER | SENIOR DIRECTOR Highest-paid employee | 40 | $150,100 | $28,669 |
| RYAN CALLAHAN | PRESIDENT/CEO Trustee or director, Officer | 1 | $0 | $0 |
| WENDY MALDONADO | TREASURER/CFO Trustee or director, Officer | 1 | $0 | $0 |
| SABRINO NINO LOPEZ | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
1 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KEVIN KEARNEY | MEMBER Trustee or director | 1 | $0 |
990 for the year ended June 30, 2024: 17 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| KRISTY PHILIPS | CHIEF ACADEMIC OFFICER Key employee | 40 | $161,979 | $47,578 |
| CHRISTINA PHILIPS | CHIEF OF SECONDARY EDUCATION Key employee | 40 | $152,621 | $46,734 |
| CHRISTINA NAVARRO-CABERO | CHIEF OPERATIONS OFFICER Key employee | 40 | $166,859 | $30,085 |
| BROOK MACMILLAN | EXECUTIVE DIRECTOR Officer | 40 | $163,028 | $31,586 |
| ANA MEJIA-SANTANA | CHIEF OF STAFF Key employee | 40 | $150,064 | $42,840 |
| MICHELLE WENDELL | SENIOR DIRECTOR Key employee | 40 | $159,728 | $27,259 |
| JESSICA RONQUILLO | CHIEF BUSINESS OFFICER Key employee | 40 | $152,603 | $28,574 |
| AMY THOMPSON | CHIEF PROGRAM OFFICER Highest-paid employee | 40 | $149,632 | $27,652 |
| SHERRI ANDERSON | ASST. DIRECTOR OF DIVERSITY & POSITIVE CULTURE Highest-paid employee | 40 | $142,342 | $34,039 |
| SARAH STEVENSON | DIRECTOR OF STUDENT ATHLETICS/FITNESS Highest-paid employee | 40 | $147,372 | $25,208 |
| RANDI GEORGE | DIRECTOR OF STUDENT ACHIEVEMENT Highest-paid employee | 40 | $146,226 | $25,755 |
| DANIELLE HERNANDEZ | ASST. DIRECTOR OF VIRTUAL LEARNING Highest-paid employee | 40 | $145,924 | $25,552 |
| RYAN CALLAHAN | PRESIDENT/CEO Trustee or director, Officer | 1 | $0 | $0 |
| WENDY MALDONADO | TREASURER/CFO Trustee or director, Officer | 1 | $0 | $0 |
| SABINO NINO LOPEZ | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| SUMMER YAMOUNT | MEMBER Trustee or director | 1 | $0 | $0 |
| KEVIN KEARNEY | MEMBER Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 8560 ALIENTO RD, LUCERNE VLY, CA 92356-8133
- Principal officer (990 for 2024)
- BROOK MACMILLAN, 8560 ALIENTO ROAD, LUCERNE VALLEY, CA 92356
- Signed the 990
- BROOK MACMILLAN, EXECUTIVE DIRECTOR
- Phone
- (909) 906-3593
- Return prepared by
- CHRISTY WHITE ASSOCIATES
Mission
TO DEVELOP STUDENTS TO BECOME PROFICIENT IN COMMON CORE STATE STANDARDS AND BECOME CRITICAL THINKERS, RESPONSIBLE CITIZENS, AND INNOVATIVE LEADERS WHO WILL BE PREPARED FOR ACADEMIC AND REAL-LIFE ACHIEVEMENTS IN THE 21ST CENTURY.
Program accomplishments
- TO ACCOMPLISH OUR MISSION, GRANITE MOUNTAIN CHARTER SCHOOL WILL EQUIP STUDENTS WITH 21ST-CENTURY LEARNING OPPORTUNITIES, STRENGTHEN THE CHILD TO TRANSCEND OBSTACLES AND BECOME LIFE-LONG LEARNERS, EMPOWER FAMILIES TO PROPEL STUDENTS TOWARD COLLEGE AND CAREER READINESS, AND ANCHOR WITH COMMUNITY BY CULTIVATING RELATIONSHIPS.Expenses $58,029,499
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 83-3660999
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- School
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 2020
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B29)
- Assets (IRS master file)
- $13,402,768
- Income (IRS master file)
- $64,730,660
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | – | – | – | IRS |
| 990 | June 2024 | – | – | – | IRS |
| 990 | June 2023 | $46,310,729 | $46,098,934 | $12,997,877 | IRS |
| 990 | June 2022 | $41,050,672 | $40,211,840 | $8,925,360 | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS.
Questions about GRANITE MOUNTAIN CHARTER SCHOOL
- What is the EIN of GRANITE MOUNTAIN CHARTER SCHOOL?
- The employer identification number (EIN) of GRANITE MOUNTAIN CHARTER SCHOOL is 83-3660999.
- Is GRANITE MOUNTAIN CHARTER SCHOOL tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2020.
- Are donations to GRANITE MOUNTAIN CHARTER SCHOOL tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does GRANITE MOUNTAIN CHARTER SCHOOL file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of GRANITE MOUNTAIN CHARTER SCHOOL due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did GRANITE MOUNTAIN CHARTER SCHOOL last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of GRANITE MOUNTAIN CHARTER SCHOOL?
- The 990 for the year ended June 30, 2025 names BROOK MACMILLAN.
- Who are the officers and directors of GRANITE MOUNTAIN CHARTER SCHOOL?
- The 990 for the year ended June 30, 2025 lists 16 people; 12 received compensation from the organization, the highest $171,857 (KRISTY PHILIPS, CHIEF ACADEMIC OFFICER).
- How much revenue does GRANITE MOUNTAIN CHARTER SCHOOL have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $64,730,660, expenses of $62,014,330 and total assets of $13,402,768 at year end.
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