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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 Mark Day School Katherine Kelso

Katherine Kelso

Highest compensated employee

Admission Director at Mark Day School

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

$169,654
2023

Total compensation

Katherine Kelso has been listed as an employee of Mark Day School in Form 990 filings since fiscal year 2022. Total compensation for Katherine Kelso has increased by 4.5% from 2022 to 2023.

Annual compensation details

$169,654
+4.5%
Admission Director
2023
$143k
40 hrs/wk
$28k
--
$162,387
Admission Director
2022
$131k
40 hrs/wk
$33k
--

Total compensation by year

Compare the compensation of Katherine Kelso to:

Revisions to this profile

January 25, 2026:
2023 Mark Day School 990 published
January 25, 2026:
2022 Mark Day School 990 published

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2023

Other employees at Mark Day School

Joseph Harvey
Head of School
$695,367
$580,241 No related comp$115,126
Bella Chang
Chief Financial Officer
$282,464
$255,580 No related comp$26,884
David Hickman
Head of Upper School
$216,385
$187,996 No related comp$28,389
Bonnie Nishihara
Assistant Head of School
$209,532
$177,169 No related comp$32,363
Thaddeus Reichley
Head of Lower School
$207,919
$180,661 No related comp$27,258
Wendy Levine
Development Director
$189,974
$177,994 No related comp$11,980
Kim Danforth
Drama Teacher
$158,332
$131,807 No related comp$26,525
Fernanda Pernambuco
Director of PART, Equity, Inclusion
$155,557
$128,911 No related comp$26,646
Lisa Becker
First Grade Teacher
$153,192
$125,404 No related comp$27,788