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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 Allen-Stevenson School Stephen M Warner

Stephen M Warner

Key employee

HEAD of Lower Division at Allen-Stevenson School

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

$301,250
2023

Total compensation

Stephen M Warner has been listed as an employee of Allen-Stevenson School in Form 990 filings since fiscal year 2017. Total compensation for Stephen M Warner has increased by 52.9% from 2017 to 2023.

Annual compensation details

$301,250
+2.9%
HEAD of Lower Division
2023
$243k org
40 hrs/wk
$59k other
--
$292,676
+1.8%
HEAD of Lower Division
2022
$237k org
40 hrs/wk
$57k other
--

Total compensation by year

Compare the compensation of Stephen M Warner to:

2023

Other employees at Allen-Stevenson School

David R Trower
Former Head of School
$644,993
$544,318 from orgNo related comp$100,675 other
Duncan Lyon
Head of School
$447,406
$329,464 from orgNo related comp$117,942 other
Hydee Bressler Bassel
Chief Financial and Operating Officer
$429,852
$349,874 from orgNo related comp$79,978 other
Katherine Duckworth-Schachter
Development Director
$281,238
$208,567 from orgNo related comp$72,671 other
Winifred Barnes
Director, Organizational Initiatives
$270,781
$229,822 from orgNo related comp$40,959 other
Richard Alifano
Director, Athletics/Pe Education
$254,023
$209,558 from orgNo related comp$44,465 other
Andrew C Zevon
Technology Director
$254,000
$229,953 from orgNo related comp$24,047 other
William L Dransfield
Director of Auxilliary Programs
$229,759
$161,763 from orgNo related comp$67,996 other
Greg Knespler
Facilities Manager
$229,072
$211,832 from orgNo related comp$17,240 other
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Revisions to this profile

January 25, 2026:
2023 Allen-Stevenson School 990 published
January 25, 2026:
2022 Allen-Stevenson School 990 published
January 25, 2026:
2021 Allen-Stevenson School 990 published

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$287,631
-0.5%
HEAD of Lower Division
2021
$228k org
40 hrs/wk
$61k other
--
$288,965
+15.4%
Lower School Head
2020
$209k org
40 hrs/wk
$81k other
--
$250,299
+4.1%
Lower School Head
2019
$194k org
40 hrs/wk
$58k other
--
$240,551
+22.1%
LS HEAD
2018
$186k org
40 hrs/wk
$56k other
--
$197,084
LS Head
2017
$161k org
40 hrs/wk
$37k other
--

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