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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 Prospect Sierra School Mary Denardo

Mary Denardo

Highest compensated employee

Communications Director at Prospect Sierra School

Fiscal year ended June 30, 2021. Published on January 25, 2026.

$124,121
2021

Total compensation

Mary Denardo has been listed as an employee of Prospect Sierra School in Form 990 filings since fiscal year 2021.

Annual compensation details

$124,121
Communications Director
2021
$107k
40 hrs/wk
$18k
--

Total compensation by year

Compare the compensation of Mary Denardo to:

2021

Other employees at Prospect Sierra School

Nisa Frank
School HEAD
$291,742
$266,506 No related comp$25,236
Soo Zee Park
Chief Financial Officer
$203,504
$197,157 No related comp$6,347
Mark Basnage
Director of Innovation and Technology and I
$158,911
$138,256 No related comp$20,655
Abigail Guinn
Elementary School Division
$155,426
$155,426 No related compNo other comp
Renee Thompson
Admissions Director
$150,742
$130,440 No related comp$20,302
Elizabeth Clark
Development Director
$149,043
$130,604 No related comp$18,439
Nathan Tanaka
Middle School Division HEA
$148,978
$129,512 No related comp$19,466
Steven J Harrington
Facilities Director
$143,095
$124,026 No related comp$19,069
Britt Anderson
Director of Equity and Inclusion
$133,673
$111,081 No related comp$22,592
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Revisions to this profile

January 25, 2026:
2021 Prospect Sierra School 990 published

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2021
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