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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 Landmark School Inc. Dean Sidell

Dean Sidell

Officer

Finance and Operations Director at Landmark School Inc.

Fiscal year ended June 30, 2024. Published on January 25, 2026.

$208,264
2024

Total compensation

Dean Sidell has been listed as an employee of Landmark School Inc. in Form 990 filings since fiscal year 2023. Total compensation for Dean Sidell has increased by 14.6% from 2023 to 2024.

Annual compensation details

$208,264
+14.6%
Finance and Operations Director
2024
$177k org
40 hrs/wk
$33k other
--
$181,657
Finance and Operations Director
2023
$173k org
40 hrs/wk
$9k other
--

Total compensation by year

Compare the compensation of Dean Sidell to:

2024

Other employees at Landmark School Inc.

Joshua Clark
President and Head of School
$648,593
$387,174 from orgNo related comp$261,419 other
Bob Broudo
Former Head of School
$635,290
$582,277 from orgNo related comp$53,013 other
Ann Larsen
Outreach LEAD Faculty
$206,821
$195,607 from orgNo related comp$11,214 other
Michelle Granese
Director of Inst'L. Advancement
$188,845
$142,780 from orgNo related comp$46,065 other
William Barrett
HEAD of HIGH School
$182,770
$136,100 from orgNo related comp$46,670 other
Susan Madden
Human Resources Director
$164,752
$139,504 from orgNo related comp$25,248 other
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Revisions to this profile

January 25, 2026:
2024 Landmark School Inc. 990 published
January 25, 2026:
2023 Landmark School Inc. 990 published

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