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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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Organizations Education Montessori Island School Inc.

Montessori Island School Inc.

Fiscal year ending 2025. Filed on October 28, 2025.

160 Miller Dr
Livingston, Montana 59047

Montessori Island School Inc. (EIN: 26-0171499) has filed an IRS Form 990 between fiscal years 2017 and 2025. In its fiscal year 2025 IRS Form 990 filing, Montessori Island School Inc., a 501(c)(3) charitable organization, reported compensation for 1 out of 19 total employees. Among the employees shown here, the average compensation is $67,425. The highest compensated employee at Montessori Island School Inc. is Sara Webb with fiscal year 2025 compensation of $67,425.

Revenue, expenses, and employee compensation

Revenue

$826,881

Expenses

$812,539

Employee compensation

$603,947

Revenue, expenses, and employee compensation over time

Reported Compensated Employees

Sara Webb

Treas/Ex Director

$67,425

$67,425 No related compNo other comp

Benchmark Employee Compensation

Non-Employee Board Members

Jaqueline Werhand

Mission Statement

PRIVATE ELEMENTARY SCHOOL

Revisions to this organization profile

October 28, 2025:

2025 Montessori Island School Inc. 990 filed

November 14, 2023:

2023 Montessori Island School Inc. 990 filed

November 1, 2022:

2022 Montessori Island School Inc. 990 filed

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