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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 The Tatnall School Inc. William Schluter

William Schluter

Highest compensated employee

Head of Upper School at The Tatnall School Inc.

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

$132,477
2024

Total compensation

William Schluter has been listed as an employee of The Tatnall School Inc. in Form 990 filings since fiscal year 2020. Total compensation for William Schluter has decreased by 2.8% from 2020 to 2024.

Annual compensation details

$132,477
-11.9%
Head of Upper School
2024
$122k
40 hrs/wk
$11k
--
$150,437
+5.9%
Upper School Head
2023
$114k
40 hrs/wk
$38k
--
$142,119
+2.7%
Upper School Head
2022
$107k
40 hrs/wk
$36k
--
$138,396
+1.5%
Upper School Head
2021
$104k
40 hrs/wk
$36k
--
$136,360
Upper School Head
2020
$101k
40 hrs/wk
$37k
--

Total compensation by year

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Revisions to this profile

January 25, 2026:
2024 The Tatnall School Inc. 990 published
January 25, 2026:
2023 The Tatnall School Inc. 990 published
January 25, 2026:
2022 The Tatnall School Inc. 990 published

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2024

Other employees at The Tatnall School Inc.

Andrew Martire
Head of School
$458,362
$409,925 No related comp$48,437
Brendan Minnihan
Head of Middle School
$164,227
$135,625 No related comp$28,602
Kyle Lewis
Chief Financial Officer
$144,621
$119,715 No related comp$24,906
Angelo Fontanazza
Operations Director
$134,748
$110,347 No related comp$24,401
Patrick Castagno
Teacher
$126,348
$104,566 No related comp$21,782
Patrick Manahan
Advancement Director
$125,243
$120,500 No related comp$4,743

Other people named William Schluter

2024
Board Member
William Schluter
Gavi Alliance
$0
Board Member
William Schluter Jr
The Wilmurt Club Inc.
$0
Employee
William E Schluter
Psi Omega Fraternity-Upsilon Chapter
$0