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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 Margot Mack

Margot Mack

Highest compensated employee

Assistant Teacher at West Side Montessori School

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

$150,290
2024

Total compensation

Margot Mack has been listed as an employee of West Side Montessori School in Form 990 filings since fiscal year 2017. Total compensation for Margot Mack has increased by 19.4% from 2017 to 2024.

Annual compensation details

$150,290
Assistant Teacher
2024
$122k
40 hrs/wk
$30k
--
$149,323
+3.2%
Head Teacher
2021
$123k
40 hrs/wk
$27k
--
$144,650
+12.4%
Head Teacher
2020
$120k
40 hrs/wk
$26k
--
$128,736
Head Teacher
2019
$115k
40 hrs/wk
$15k
--
$125,919
Teacher
2017
$107k
40 hrs/wk
$20k
--

Total compensation by year

Compare the compensation of Margot Mack to:

Revisions to this profile

January 25, 2026:
2024 West Side Montessori School 990 published
January 24, 2026:
2021 West Side Montessori School 990 published
January 24, 2026:
2020 West Side Montessori School 990 published

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2024

Other employees at West Side Montessori School

Mimi Basso
Head of School
$530,809
$453,477 No related comp$77,332
Matthew Bloom
Chief Financial Officer
$234,516
$180,745 No related comp$53,771
Amy Stoney
Operations Director
$196,848
$177,153 No related comp$19,695
Melissa Mack
Assoc HEAD
$195,699
$160,719 No related comp$34,980
Lisanne Pinciotti
Director of TEP
$190,344
$159,653 No related comp$30,691
Judy Lyons
Director of Administration
$158,811
$127,918 No related comp$30,893
Gretchen Amberg Slack
Head Teacher
$149,423
$122,783 No related comp$26,640