Other / mixed grade configuration · Phoenix, AZ
Keystone Montessori Charter School
Federal NCES profile for Keystone Montessori Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.
The verdict
Keystone Montessori Charter School earns 30/100 on the Resource Investment Index on federal resource data. It is also more racially and ethnically mixed than most Arizona schools.
- #85 of 179
- schools in Phoenix · Resource Index
- 30
- Resource Index · Lower
- 203
- students enrolled
By Resource Investment Index, Keystone Montessori Charter School ranks #85 of 179 schools in Phoenix, AZ.
School address
NCES ID 040016501755 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+18 students YoY
Keystone Montessori Charter School grew from 179 students in 2022-23 to 197 in 2023-24 (+10.1%).
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+18 students YoY 040016501755 · Phoenix, AZ Other · SMALL · CHARTER
203 enr · RII 30
Nearest enrollment peer: Stapleton School (203 students)
Keystone Montessori Charter School grew from 179 students in 2022-23 to 197 in 2023-24 (+10.1%). NCES Common Core of Data stamps for this campus. Read with this school → · District book → · Arizona schools → · Find another →
How Keystone Montessori Charter School compares
Keystone Montessori Charter School is a growing campus on CCD: ratios and free-lunch share vs Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Enrollment | 203 | top 71% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Equity indicators methodology
Student demographics
Largest group: White at 45.3% of enrollment.
Simpson diversity index - at 67.2, Keystone Montessori Charter School is more mixed than the Arizona school average of 47.2.
Programs
District finance for Keystone Montessori Charter School Inc. (10878) reports $22,933 per pupil (NCES F-33) - open the district page for the full revenue mix.
Similar other schools in Phoenix
6 comparable other schools (grades Mixed) serving the same city.
Nationwide other schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Frequently asked questions about Keystone Montessori Charter School
How many students attend Keystone Montessori Charter School?
Keystone Montessori Charter School has 203 students enrolled. It is a public school in Phoenix, AZ. CCD year-over-year: 179 (2022-23) → 197 (2023-24), up 18.
What is the racial and ethnic makeup of Keystone Montessori Charter School?
The largest demographic group at Keystone Montessori Charter School is White at 45.3% of enrollment, in Phoenix, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 67.2/100.
What is the Resource Investment Index for Keystone Montessori Charter School?
Keystone Montessori Charter School has a Resource Investment Index of 30/100 (lower reported resources relative to schools nationally) based on 1 factor: gifted-program reporting. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Keystone Montessori Charter School rank among schools in Phoenix?
By Resource Investment Index, Keystone Montessori Charter School ranks #85 of 179 schools in Phoenix, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Phoenix on the city page.
What other schools are in Keystone Montessori Charter School Inc. (10878)?
None; Keystone Montessori Charter School Inc. (10878) is a single-school charter district, and Keystone Montessori Charter School is its only campus.