Southwest Institute of Montessori Studies
TO PROVIDE COURSEWORK IN ACCORDANCE TO ASSOCIATION MONTESSORI INTERNATIONAL (AMI) STANDARDS.
Southwest Institute Of Montessori
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Visit www.sims-ami.orgAbout Southwest Institute of Montessori Studies
Southwest Institute of Montessori Studies is a education organization based in MESA, United States. Annual revenue: $1.5 million. EIN: 275014341.
Verified certifications
Confirmed against the issuing authority - not self-reported.
Mission
To provide coursework in accordance to association montessorI international (ami) standards.
Focus areas & reach
· What they work on and whereHow it stacks up against peers
· vs. 8 similar education in United StatesConcerns
· None foundWhere every $1 goes
· FY2023 · IRS 990 (FY2023)GiveRadar Analysis
Original analysis from GiveRadar's dataset of comparable organizations
GiveRadar's verified records show Southwest Institute of Montessori Studies with a complete profile, cross-referenced across 3 independent sources including the IRS.
- It has more complete governance disclosure than nearly all comparable organizations, because GiveRadar has verified leadership, executive compensation, a mission statement and a founding date. See national comparisons
- By reported annual revenue, it is larger than 77% of the 88,739 education charities in the United States with financial records on GiveRadar. See the filings
- It is one of the better-documented education charities in the United States GiveRadar currently tracks, because GiveRadar has verified its financial disclosures and its governance. Most of those have little verified data on record yet. View this cohort
- government registration
- financial records (4 filed years)
- disclosed leadership
- a website
- third-party accreditation
- a contact email
- a donation page
- an owner-submitted profile claim
Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.
Common questions
· Auto-generated from filings + methodologySouthwest Institute of Montessori Studies is a registered education nonprofit based in Mesa, AZ, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 2011 and has been operating for 15 years. Its EIN is 275014341. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 72/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $2M in annual revenue. 18 officers and directors are publicly disclosed. No red flags have been detected.
Southwest Institute of Montessori Studies's EIN (Employer Identification Number) is 275014341. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.
Southwest Institute of Montessori Studies has a GiveRadar Integrity Assessment of 72/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 72 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for education charities in United States is 90/100.
Southwest Institute of Montessori Studies is located in Mesa, AZ, United States. The organization was established in 2011 and has been active for 15 years.
Based on official tax filings, Southwest Institute of Montessori Studies has $2M in annual revenue. It allocates 65% of expenses to programs and services. This is below the average of 82% for education charities in United States. Its revenue is below the peer average of $7M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Southwest Institute of Montessori Studies is classified as an Education organization, registered in United States. It operates as a School (170(b)(1)(A)(ii)). By size, it is categorized as a medium organization. It has $2M in annual revenue. The organization has 18 disclosed officers and directors.
No red flags have been detected for Southwest Institute of Montessori Studies. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.
According to GiveRadar's records, Southwest Institute of Montessori Studies holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. It is registered with the Internal Revenue Service (IRS). It reports that 65% of expenses go to programs (the peer average is 82%). GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.
Southwest Institute of Montessori Studies is a education organization based in MESA, United States. Annual revenue: $1.5 million. EIN: 275014341. Southwest Institute of Montessori Studies is classified as an education organization registered in United States. The organization was founded in 2011.
Among education charities registered in United States: It allocates 65% of expenses to programs, below the peer average of 82%. Its annual revenue of $2M is below the peer average of $7M.
Yes, donations to Southwest Institute of Montessori Studies are generally tax-deductible in the United States. Southwest Institute of Montessori Studies is a 501(c)(3) tax-exempt organization. Its EIN is 275014341, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.
Filing history
4 years on file from IRS 990 (FY2023): revenue, expenses, program spending, assets, and liabilities by fiscal year.
See 5 years of revenue, expense breakdowns, and balance sheet.
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Tax-deductibility for donors
Donations may be tax-deductible for residents of United States under local rules. Confirm with the charity directly.
SOUTHWEST INSTITUTE OF MONTESSORI STUDIES is registered in United States. Donations from the Netherlands to charities outside the EU/EEA are generally not tax-deductible for Dutch donors unless the charity is listed on the Dutch ANBI register with foreign-recognized status.
Always confirm tax treatment with the charity directly or your tax advisor before donating.
Staff & volunteers
From filings and published profiles
Leadership
From FY2023 filing
Officers & trustees (6)
Source: Public filings
6 officers and trustees on file - free with a GiveRadar account.
Latest news
From global news sources
No recent news coverage found
News coverage will appear here when articles mention this organization.
Activity timeline
Filings and press mentions, merged
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Sign up to write a reviewCause areas in United States
How many charities work in each area, with this charity's area highlighted.
Most common causes in United States
Causes charities work on most, with this charity's causes ticked.
Sources and verification
- Registration and legal identity
- Internal Revenue Service (IRS) - Tax Exempt Organization Search
- Financial filings
- IRS Form 990 filings - Fiscal year 2023 most recent on file.
- Officers and trustees
- Internal Revenue Service (IRS) - Tax Exempt Organization Search - 18 disclosed in the public registry.
- Supplementary verification
- Charity Navigator
Data freshness
What we know and don't know
Exactly which public data we hold on this charity. Our score reflects transparency, not impact.
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Financial data · FY2023 on record
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Named leadership · 18 officers on file
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Executive pay · Disclosed
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Government registration · Registered with an official registry
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Mission statement · Published
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Official website · On record
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Headquarters address · On file
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Direct contact · Email or phone published
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Tax-deductibility · Verified
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Founding date · 2011
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Programs & activitiesNo named programs listed by the charity
Methodology
GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.
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Quick facts about Southwest Institute of Montessori Studies
- What is Southwest Institute of Montessori Studies?
- Southwest Institute of Montessori Studies is a education school (170(b)(1)(a)(ii)) based in Mesa, United States. Southwest Institute of Montessori Studies is a education organization based in MESA, United States. Annual revenue: $1.5 million. EIN: 275014341.
- When was Southwest Institute of Montessori Studies founded?
- Southwest Institute of Montessori Studies was founded in 2011.
- Who leads Southwest Institute of Montessori Studies?
- Sherri Sampson serves as PRESIDENT.
- Where is Southwest Institute of Montessori Studies located?
- Headquartered in Mesa, AZ, United States.
- What is Southwest Institute of Montessori Studies's annual budget?
- Annual revenue for fiscal year 2023 is approximately $1M-$10M. 65% of expenses go to program services.
- Is Southwest Institute of Montessori Studies trustworthy?
- Southwest Institute of Montessori Studies has a GiveRadar Integrity Assessment of 72 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
- What is Southwest Institute of Montessori Studies's registration number?
- IRS EIN: 275014341.
- What is Southwest Institute of Montessori Studies's website?
- https://www.sims-ami.org