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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 Melissa Mack

Melissa Mack

Highest compensated employee

Assoc HEAD at West Side Montessori School

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

$195,699
2024

Total compensation

Melissa Mack has been listed as an employee of West Side Montessori School in Form 990 filings since at least fiscal year 2016. Total compensation for Melissa Mack has increased by 31.9% from 2016 to 2024.

Annual compensation details

$195,699
+9.6%
Assoc HEAD
2024
$161k org
40 hrs/wk
$35k other
--
$178,556
-2.5%
Assoc HEAD
2023
$147k org
40 hrs/wk
$32k other
--

Total compensation by year

Compare the compensation of Melissa Mack to:

2024

Other employees at West Side Montessori School

Mimi Basso
Head of School
$530,809
$453,477 from orgNo related comp$77,332 other
Matthew Bloom
Chief Financial Officer
$234,516
$180,745 from orgNo related comp$53,771 other
Amy Stoney
Operations Director
$196,848
$177,153 from orgNo related comp$19,695 other
Lisanne Pinciotti
Director of TEP
$190,344
$159,653 from orgNo related comp$30,691 other
Judy Lyons
Director of Administration
$158,811
$127,918 from orgNo related comp$30,893 other
Margot Mack
Assistant Teacher
$150,290
$121,096 from orgNo related comp$29,194 other
Gretchen Amberg Slack
Head Teacher
$149,423
$122,783 from orgNo related comp$26,640 other
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Revisions to this profile

January 25, 2026:
2024 West Side Montessori School 990 published
January 25, 2026:
2023 West Side Montessori School 990 published
January 25, 2026:
2022 West Side Montessori School 990 published

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$183,165
+9.3%
Assoc Head
2022
$151k org
40 hrs/wk
$33k other
--
$167,553
-0.8%
Assoc Head
2021
$137k org
40 hrs/wk
$32k other
--
$168,857
+7.4%
Assoc Head
2020
$141k org
40 hrs/wk
$29k other
--
$157,219
-3.2%
Assoc Head
2019
$139k org
32 hrs/wk
$19k other
--
$162,361
+4.3%
Assoc Head
2018
$135k org
40 hrs/wk
$28k other
--
$155,654
+4.9%
Assoc Head
2017
$133k org
40 hrs/wk
$23k other
--
$148,404
Associate Head of School
2016
$128k org
40 hrs/wk
$22k other
--

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