- Is Cornerstone Montessori Parent Teacher Organization a tax-exempt 501(c)(3)?
- Yes — Cornerstone Montessori Parent Teacher Organization is recognised by the IRS as a 501(c)(3) organisation (EIN 33-4261984). The IRS recognised Cornerstone Montessori Parent Teacher Organization as tax-exempt in August 2025.
- What is Cornerstone Montessori Parent Teacher Organization's EIN?
- Cornerstone Montessori Parent Teacher Organization's Employer Identification Number (EIN) is 33-4261984. The EIN was assigned by the IRS in August 2025. Donors and grantmakers use the EIN to verify tax-exempt status with the IRS.
- What does Cornerstone Montessori Parent Teacher Organization do?
- Cornerstone Montessori Parent Teacher Organization is registered with the IRS as a education nonprofit organisation. A detailed mission statement is not available on its most recent Form 990 filing.
- Where is Cornerstone Montessori Parent Teacher Organization located?
- Cornerstone Montessori Parent Teacher Organization is located at PO BOX 1396, Silverdale, WA, 98383-1396.
