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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 Carlthorp School Derrick Williamson

Derrick Williamson

Highest compensated employee

Sixth Grade Teacher at Carlthorp School

Fiscal year ended August 31, 2022. Published on January 25, 2026.

$144,747
2022

Total compensation

Derrick Williamson has been listed as an employee of Carlthorp School in Form 990 filings since fiscal year 2022.

Annual compensation details

$144,747
Sixth Grade Teacher
2022
$129k org
40 hrs/wk
$16k other
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Total compensation by year

Compare the compensation of Derrick Williamson to:

2022

Other employees at Carlthorp School

Kenneth Parr
Finance Director
$393,814
$273,678 from orgNo related comp$120,136 other
Steven Springer
Associate Head of School
$358,653
$283,877 from orgNo related comp$74,776 other
Lynn Wagmeister
Admissions Director
$256,447
$199,496 from orgNo related comp$56,951 other
Nola Rae Cronan
Head of School
$204,806
$196,000 from orgNo related comp$8,806 other
Maureen Pollack
Communications Director
$178,787
$159,932 from orgNo related comp$18,855 other
Amanda Sasso
Dean of Academics
$171,451
$146,500 from orgNo related comp$24,951 other
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Revisions to this profile

January 25, 2026:
2022 Carlthorp School 990 published

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