Other · Regular · Grades 1 to 9
Keystone Montessori Charter School, Phoenix, AZ
Charter schoolKeystone Montessori Charter School is a public school in Phoenix, part of Keystone Montessori Charter School Inc. (10878). It enrolled 203 students in 2024-25, with 15.6 students per full-time teacher.
Enrollment and teachers
- Students
- 203
- Teachers (FTE)
- 13.0
- Students per teacher
- 15.6
- Grades
- 1 to 9
This school's ratio is about the same as the district figure of 15.6. The Arizona average across schools is 17.7. Ratios count all teachers, including specialists, so they are lower than typical class sizes.
This school15.6
District15.6
Arizona17.7
United States15.3
School details
- Address
- 1025 E Liberty Ln, Phoenix, AZ 85048
- Phone
- (480)460-7312
- County
- Maricopa County
- Level
- Other
- Type
- Regular
- Status
- Open
- Charter
- Yes
- Virtual
- No
- Locale
- City: Large
- NCES school ID
- 040016501755
Related schools
Other schools elsewhere in Phoenix
- Arizona Virtual Academy Portable Practical Educational Preparation Inc. ( (87405)
- Great Hearts Academies - Maryvale Prep Maryvale Preparatory Academy (90861)
- Ridgeline Academy Inc. Ridgeline Academy Inc. (4301)
- Great Hearts Academies - Archway Veritas Archway Classical Academy Veritas (90916)
- BASIS Ahwatukee BASIS Charter Schools Inc. (91339)
- The Paideia Academy of South Phoenix The Paideia Academies Inc (91250)
- BASIS Phoenix South BASIS Charter Schools Inc. (549803)
- Sonoran Science Academy - Phoenix Daisy Education Corporation dba Sonoran Science Ac (89914)
- Desert Marigold School Valley of the Sun Waldorf Education Association d (79957)
- Great Hearts Online - Arizona Archway Classical Academy Trivium West (1001937)
- BASIS Phoenix Central Primary BASIS Charter Schools Inc. (92349)
- Aspire Deer Valley's Online Academy Deer Valley Unified District (4246)
We publish official enrollment and staffing data, not ratings or test scores.
Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.