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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 Mary Lake Montessori Inc. Kathryn K Lange

Kathryn K Lange

Officer

President and Treasurer at Mary Lake Montessori Inc.

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

$198,440
2024

Total compensation

Kathryn K Lange has been listed as an employee of Mary Lake Montessori Inc. in Form 990 filings since fiscal year 2017. Total compensation for Kathryn K Lange has increased by 135.5% from 2017 to 2024.

Annual compensation details

$198,440
+2.6%
President and Treasurer
2024
$199k
50 hrs/wk
$1k
--
$193,460
+86.7%
President and Treasurer
2023
$194k
50 hrs/wk
$1k
--
$103,610
+18.6%
President and Treasurer
2022
$104k
50 hrs/wk
$1k
--
$87,385
-0.4%
President and Treasurer
2021
$88k
50 hrs/wk
$1k
--
$87,760
+4.2%
President and Treasurer
2020
$88k
50 hrs/wk
$1k
--
$84,260
±0%
President and Treasurer
2019
$84k
50 hrs/wk
$1k
--
$84,260
±0%
President and Treasurer
2018
$84k
50 hrs/wk
$1k
--
$84,260
President and Treasurer
2017
$84k
50 hrs/wk
$1k
--

Total compensation by year

Compare the compensation of Kathryn K Lange to:

Revisions to this profile

January 25, 2026:
2024 Mary Lake Montessori Inc. 990 published
January 25, 2026:
2023 Mary Lake Montessori Inc. 990 published
January 25, 2026:
2022 Mary Lake Montessori Inc. 990 published

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2024

Other employees at Mary Lake Montessori Inc.

Thomas Kennedy
Secretary and Director
$0
Timothy A Lange
Vice President
$0