Australian Montessori Training Institute (MA)
(Noosaville, Queensland, Australia) Director: Minmiao (Daisy) Wang
Full Accreditation Initial was granted for a term of seven years, until April 21, 2033, for its Infant and Toddler level
Arizona Montessori Teacher Education Program (AMS)
(Chandler, Arizona) Director: Jane C Lemon
Full Accreditation was granted for a term of seven years, until July 23, 2032, for its Elementary I & Elementary I-II levels
Montessori Northwest (AMI)
(Portland, Oregon) Interim Director: Sarah Werner-Andrews
Full Accreditation was extended for their Early Childhood (FA, November 1, 2031) level to include a Substantive Change 7: Change in Additional Location from 215 Dempsey Road, Milpitas, California 95053, United States to 3410 Cornerstone Court, Pleasanton, California 64566, United States
The Montessori Institute Denver (AMI)
(Denver, Colorado) Director: Katy Mattis
Full Accreditation was extended for their Elementary I-II (IA, August 20, 2031) level to include a Substantive Change 7: Change in Primary Site from 10399 W 44th Ave, Wheat Ridge, Colorado 80033, United States to 3280 Wadsworth Blvd., Wheat Ridge, Colorado 80033, United States
Montessori Teachers College (IND)
(Stoney Creek, Ontario) Director: Indu Balachandran
Full Accreditation was extended for their Early Childhood (FA, June 19, 2027) level to include a Substantive Change 8: Additional Location at Hamilton Montessori School, 299 Barton Street, Stoney Creek, Ontario L8E 2K7, Canada
Rings of Knowledge Teacher Education Program (IND)
(South Jordan, Utah) Director: Julie Wand
Full Accreditation was extended for their Elementary I (IA, November 14, 2030) level to include a Substantive Change 8: Additional Location at Gateway Preparatory Academy, 201 Thoroughbred Way, Enoch, Utah 84721, United States
The Institute of Montessori Training (IND)
(Livingston, Montana) Director: Suzanne Tipton
Full Accreditation was extended for their Early Childhood (FA, September 24, 2026) and Elementary I (FA, September 19, 2030) levels to include a Substantive Change 8: Additional Location at James Russell Lowell School #51, 3426 Roosevelt Avenue, Indianapolis, Indiana 46218, United States
Washington Montessori Institute (AMI)
(Riverdale Park, Maryland) Director: Grace Lee
Full Accreditation was extended for their Early Childhood (FA, July 31, 2031) level to include a Substantive Change 8: Additional Location at Kulima Montessori, 130 Carnegie Place, Fayetteville, Georgia 30214, United States
The Montessori Institute Denver (AMI)
(Denver, Colorado) Director: Katy Mattis
Full Accreditation was extended for their Infant and Toddler (FA, September 19, 2030) and Elementary I-II (IA, August 20, 2031) levels to include a Substantive Change 3: Change in Director from Erin Smith to Katy Mattis
Virginia Center for Montessori Studies (AMS)
(Oilville, Virginia) Director: Michele Mohar
Full Accreditation was extended for their Infant and Toddler (FA, May 4, 2029) level to include a Substantive Change 5B: Addition of Online Education (Change in Over 10%)
Montessori Teacher Preparation of Washington (IAPM)
(Bellevue, Washington) Director: Sharron Reece
Full Accreditation was extended for their Early Childhood (FA, April 29, 2026) level to include a Substantive Change 5D: Addition of Delivery Option
The Center for Guided Montessori Studies (IMC)
(Tampa, Florida) Director: Kitty Bravo
Full Accreditation was extended for their Infant and Toddler (FA, September 19, 2030), Early Childhood (FA, November 1, 2029), Elementary I, Elementary I-II (FA, September 28, 2032) and Elementary II (FA, September 28, 2032) levels to include a Substantive Change 8A: Subsequent Additional Location
Arete Memphis Public Montessori Residency (NCMPS)
(Memphis, Tennessee) Director: Brooke Fly Spears
Change in Affiliation / Early Childhood ; Elementary I ; Elementary I-II ; Elementary II
City Garden Elementary Montessori Teacher Training Program (NCMPS)
(Saint Louis, Missouri) Director: Mike Flohr
Change in Affiliation / Elementary I
The Children’s House Montessori Education Center (AMS)
(Beijing, China) Directors: Debbie Gillespie & Karolina Bargielowska-Gillert
Withdrawal of accreditation for the program and its Early Childhood level at 1, Nanshiliju Road, Dongfeng Xiang, Chaoyang District, Beijing 100016, China effective March 22, 2026
