The Montessori Atlas

State of the field

The Atlas currently lists 2,293 Montessori schools and programs across the United States. These are counts of listings built from traceable sources, not certainties about the field; coverage grows as schools claim and the public submits. Researchers: see how this data works.

By governance

GovernanceListings
Independent1,988
Public charter170
Public district135

By level offered

LevelListings
Primary (3 to 6)2,180
Lower Elementary (6 to 9)1,358
Upper Elementary (9 to 12)1,133
Adolescent (12 and up)575

Levels seeded from public data are derived from grade spans, which cannot see infant and toddler programs. Those appear as schools claim their listings.

By trust state

ListingCount
Built from public records2,293

Top states

StateListings
California340
Texas217
Florida153
Illinois111
Virginia90
Washington81
New Jersey78
New York77
Pennsylvania77
Michigan76
Ohio68
Maryland68

An annual State of the Field report will grow from this page. Counts update as the Atlas does.