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Compensation 990 is an independent service that uses public IRS Form 990 filings as its source data. We clean and standardize this information, but the original filings may contain errors or omissions. Years on this site refer to the organization’s fiscal year end date on the filing.

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Employees Girls Preparatory School Inc. Mark Vosskamp

Mark Vosskamp

Officer

Chief Financial Officer and Chief Operating Officer at Girls Preparatory School Inc.

Fiscal year ended June 30, 2025. Published on January 25, 2026.

$254,754
2025

Total compensation

Mark Vosskamp has been listed as an employee of Girls Preparatory School Inc. in Form 990 filings since fiscal year 2017. Total compensation for Mark Vosskamp has increased by 71.6% from 2017 to 2025.

Annual compensation details

$254,754
+23.6%
Chief Financial Officer and Chief Operating Officer
2025
$238k org
48 hrs/wk
$18k other
--
$206,175
+9.6%
Chief Financial Officer and Chief Operating Officer
2024
$191k org
48 hrs/wk
$17k other
--

Total compensation by year

Compare the compensation of Mark Vosskamp to:

2025

Other employees at Girls Preparatory School Inc.

Megan Cover
Head of School
$455,545
$401,556 from orgNo related comp$53,989 other
Alison Gant
Chief Advancement Officer
$211,582
$184,336 from orgNo related comp$27,246 other
Bethany Wilson
Head of Upper School
$161,862
$154,709 from orgNo related comp$7,153 other
Andrew Reich
College Counseling Director
$130,922
$110,033 from orgNo related comp$20,889 other
Kathryn Outlaw
Head of Middle School
$127,154
$107,998 from orgNo related comp$19,156 other
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Revisions to this profile

January 25, 2026:
2025 Girls Preparatory School Inc. 990 published
January 25, 2026:
2024 Girls Preparatory School Inc. 990 published
January 25, 2026:
2023 Girls Preparatory School Inc. 990 published

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