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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 Montessori School of Sonoma Incorporated Sarah Robertson

Sarah Robertson

Officer

Treasurer at Montessori School of Sonoma Incorporated

Fiscal year ended June 30, 2025. Published on January 25, 2026.

$92,900
2025

Total compensation

Sarah Robertson has been listed as an employee of Montessori School of Sonoma Incorporated in Form 990 filings since fiscal year 2021. Total compensation for Sarah Robertson has increased by 18.3% from 2021 to 2025.

Annual compensation details

$92,900
+4.9%
Treasurer
2025
$93k org
40 hrs/wk
$88,588
+3.2%
Treasurer
2024
$89k org
40 hrs/wk
$85,828
+9.3%
Treasurer
2023

Total compensation by year

Compare the compensation of Sarah Robertson to:

2025

Other employees at Montessori School of Sonoma Incorporated

Cathy Vaughn
Director
$121,417
$121,417 from orgNo related compNo other comp
Christine Neles
Secretary
$81,170
$81,170 from orgNo related compNo other comp
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Revisions to this profile

January 25, 2026:
2025 Montessori School of Sonoma Incorporated 990 published
January 25, 2026:
2024 Montessori School of Sonoma Incorporated 990 published
January 25, 2026:
2023 Montessori School of Sonoma Incorporated 990 published

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