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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 West Side Montessori School Mary D Basso

Mary D Basso

OfficerTrustee/director

Head of School at West Side Montessori School

Fiscal year ended June 30, 2021. Published on January 24, 2026.

$420,111
2021

Total compensation

Mary D Basso has been listed as an employee of West Side Montessori School in Form 990 filings since at least fiscal year 2016. Total compensation for Mary D Basso has increased by 39% from 2016 to 2021.

Annual compensation details

$420,111
+14.2%
Head of School
2021
$369k
40 hrs/wk
$52k
--
$367,902
+5.4%
Head of School
2020
$324k
40 hrs/wk
$45k
--
$349,188
-7%
Head of School
2019
$320k
40 hrs/wk
$30k
--
$375,386
+17.1%
Head of School
2018
$295k
40 hrs/wk
$81k
--
$320,613
+6.1%
Head of School
2017
$257k
40 hrs/wk
$65k
--
$302,218
Head of School
2016
$249k
40 hrs/wk
$54k
--

Total compensation by year

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Revisions to this profile

January 24, 2026:
2021 West Side Montessori School 990 published
January 24, 2026:
2020 West Side Montessori School 990 published
January 24, 2026:
2019 West Side Montessori School 990 published

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2021

Other employees at West Side Montessori School

Loren de Nicola
Assoc Head
$179,025
$136,317 No related comp$42,708
Melissa Mack
Assoc Head
$167,553
$136,100 No related comp$31,453
Matthew Bloom
Chief Financial Officer
$167,371
$122,400 No related comp$44,971
Lisanne Pinciotti
Director of TEP
$165,406
$137,700 No related comp$27,706
Margot Mack
Head Teacher
$149,323
$122,420 No related comp$26,903
Karen Deinzer
Head Teacher
$143,455
$117,911 No related comp$25,544

Other people named Mary D Basso

2021
Employee
Mary H Basso
The Bassohealy Foundation Inc.
$0