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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 Unity Christian High School Association William Postma

William Postma

Highest compensated employee

Instruction Director at Unity Christian High School Association

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

$138,404
2025

Total compensation

William Postma has been listed as an employee of Unity Christian High School Association in Form 990 filings since fiscal year 2024. Total compensation for William Postma has increased by 5.3% from 2024 to 2025.

Annual compensation details

$138,404
+5.3%
Instruction Director
2025
$109k org
40 hrs/wk
$31k other
--
$131,399
Instruction Director
2024
$106k org
40 hrs/wk
$26k other
--

Total compensation by year

Compare the compensation of William Postma to:

2025

Other employees at Unity Christian High School Association

Jerry Degroot
Principal
$204,475
$162,709 from orgNo related comp$41,766 other
Douglas Vanderploeg
Transportation Director
$128,553
$104,581 from orgNo related comp$23,972 other
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Revisions to this profile

January 25, 2026:
2025 Unity Christian High School Association 990 published
January 25, 2026:
2024 Unity Christian High School Association 990 published

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