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Montessori Elementary Teacher Training Collaborative

EIN 46-2319756 · Arlington, MA

Public records show a registered, tax-exempt organization in good standing.

LegitimacyPassesRegistration and standingFinancial healthStrong90 out of 100GovernanceFair62 out of 100Impact evidenceDescribes programsHow well its results are evidenced

What it says it does

To support adult learners to become excellent educators, versed in the concepts and philosophy of Dr. Maria Montessori, skillful in the use of Montessori materials and curriculum, and eager to continue their personal growth through professional development and sharing within the community of their peers and instructors.

Income
$376,148
Spending
$374,755
Spent on programs
67%
Reserves
10.7 months of spending
Largest source of income
fees for its services, 97%
Employees
0
Volunteers
19
Highest pay
$40,515, director

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Financial health

Strong: 90 out of 100. Higher than 71% of charities in its peer group (education, $250k to $1m).

  • Reserves

    28 of 35

    Spendable reserves would cover 10.7 months of spending.

  • Debt

    20 of 20

    It owes 10% of what it owns.

  • Living within its means

    12 of 15

    Income exceeded spending by 0% of income.

  • Income trend

    15 of 15

    Income rose 4% on the year before.

  • Spending floor

    15 of 15

    67% of spending went to programs.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Governance

Fair: 62 out of 100. Higher than 41% of charities in its peer group (education, $250k to $1m).

  • Independent board

    25 of 25

    14 of 14 voting board members are independent.

  • Conflict of interest policy

    0 of 15

    Reports no written conflict of interest policy.

  • Whistleblower policy

    0 of 8

    Reports no written whistleblower policy.

  • Record keeping policy

    0 of 7

    Reports no written policy on keeping and destroying records.

  • Board minutes

    5 of 5

    Keeps minutes of board meetings.

  • Board sees the tax return

    10 of 10

    Gave the board a copy of this return before filing it.

  • Pay set independently

    0 of 5

    Reports no independent review process for its chief executive's pay.

  • Independent check of accounts

    12 of 15

    Its accounts were reviewed or compiled by an independent accountant, but not audited.

  • No reported misuse

    10 of 10

    Reports no diversion of assets, excess benefits or loans to insiders.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Impact evidence

Describes programs. Its tax return describes what it does but we have found no measurable results in it.

Programs described in its return (4)
  1. $175,892 spent. To provide Montessori training leading to Elementary I and II level certification by the American Montessori Society. This is currently offered with a summer program model as an onsite program at Lexington Montessori School.
  2. $38,012 spent. To provide Montessori training leading to Elementary I and II level certification by the American Montessori Society. This is currently offered as follow-up on-site programs conducted at various Montessori schools around the country. (Revenue $ included in the $365,411 reported on line 4a)
  3. $38,236 spent. To provide professional development, including continuing education courses, school consultations and in-service workshops, webinars, and other means of sharing the expertise of the faculty of METTC with the larger Montessori community.
  4. To provide professional development, including 38236. 0. 0.

Source: Form 990 for the year ending December 31, 2024, filed with the Internal Revenue Service. Rating method 2026.2. How we rate

Legitimacy checks

  1. Is it registered with the IRS? Passed.

    Listed in the IRS master file of tax-exempt organizations as a 501(c)(3) charitable organization.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  2. Has the IRS revoked its tax-exempt status? Passed.

    Not on the IRS automatic revocation list.

    Source: Automatic revocation of exemption list, Internal Revenue Service, file dated October 13, 2026.

  3. Are donations tax-deductible? Passed.

    On the IRS list of organizations eligible to receive tax-deductible contributions.

    Source: Publication 78 data: organizations eligible for tax-deductible contributions, Internal Revenue Service, file dated October 13, 2026.

  4. Is it keeping up with its IRS filings? Passed.

    Most recent return on file covers the year ending December 2024.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  5. How long has it been tax-exempt? Passed.

    Recognized by the IRS since August 2014.

    Source: Exempt Organizations Business Master File, Internal Revenue Service, file dated October 13, 2026.

  6. Is it in good standing with state regulators? Passed.

    Not on California's list of charities barred from soliciting. Other states are not yet checked.

    Source: May Not Operate or Solicit for Charitable Purposes list, California Attorney General, Registry of Charities and Fundraisers, file dated October 21, 2026.

Ratings and checks are our reading of public records, using the published method. They are not a statement about anyone's honesty. If you work for this organization, you can send corrections or results, confirm you want gifts through Veridonate, or ask to be removed from giving.