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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 Koson Schools Robert Hoornstra

Robert Hoornstra

OfficerTrustee/director

Chief Operating Officer at Koson Schools

Fiscal year ended June 30, 2023. Published on January 25, 2026.

$166,364
2023

Total compensation

Robert Hoornstra has been listed as an employee of Koson Schools in Form 990 filings since fiscal year 2021. Total compensation for Robert Hoornstra has increased by 8.5% from 2021 to 2023.

Annual compensation details

$166,364
+25.7%
Chief Operating Officer
2023
$167k org
40 hrs/wk
$132,305
-13.7%
Chief Operating Officer
2022
$133k org
40 hrs/wk
$153,279
Chief Operating Officer
2021

Total compensation by year

Compare the compensation of Robert Hoornstra to:

2023

Other employees at Koson Schools

Dr Penelope Eucker
Executive Director
$206,751
$206,751 from orgNo related compNo other comp
Star Ake
Chief Financial Officer
$183,949
$183,949 from orgNo related compNo other comp
Dr Karen Johnson
Director of Curriculum Accountability
$156,501
$156,501 from orgNo related compNo other comp
Lynann Kovalesky
Interim Elementary Director
$118,909
$118,909 from orgNo related compNo other comp
Michael Pritchard
Information Technology Director
$116,575
$116,575 from orgNo related compNo other comp
Ryan Alsup
High School Director
$103,775
$103,775 from orgNo related compNo other comp
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Revisions to this profile

January 25, 2026:
2024 Koson Schools 990 published
January 25, 2026:
2023 Koson Schools 990 published
January 25, 2026:
2022 Koson Schools 990 published

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