Elementary school (grades K-5) · Flagstaff, AZ

Montessori Charter School of Flagstaff - Campus

Federal NCES profile for Montessori Charter School of Flagstaff - Campus, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 30/100.

2024-25 NCES dataElementary school (grades K-5)NCES 040002001179Charter school
0/100100/10030/100
🌟 Gifted program
30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Montessori Charter School of Flagstaff - Campus earns 30/100 on the Resource Investment Index on federal resource data.

#4 of 5
elementary schools in Flagstaff · Resource Index
30
Resource Index · Lower
191
students enrolled

By Resource Investment Index, Montessori Charter School of Flagstaff - Campus ranks #4 of 5 elementary schools in Flagstaff, AZ.

Enrollment

191

Arizona · 2024-25 NCES data

What stands out at Montessori Charter School of Flagstaff - Campus

Montessori Charter School of Flagstaff - Campus is a mid-sized charter elementary school in Flagstaff, Arizona, enrolling 191 students.

Enrollment of 191 puts it in the smaller third of Arizona schools by headcount.

Its Resource Investment Index sits near the middle of the pack among 2,064 scored Arizona schools.

Its student body is led by White (69%) and Hispanic or Latino (17%) (diversity index 49/100).

Flagstaff Montessori (4205) is a single-school charter district, so Montessori Charter School of Flagstaff - Campus operates independently rather than alongside district-mates.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How Montessori Charter School of Flagstaff - Campus compares

Montessori Charter School of Flagstaff - Campus on the metrics families compare, against Arizona and U.S. means.

Metric This school vs Arizona Arizona avg U.S. avg
Enrollment 191 top 72% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

191
Bigger than 19% of US schools by enrollment, a small campus.

Equity indicators (what these measure)

Funding equity
$11,558
per pupil, district-wide - below Arizona avg of $13,145
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

White 68.6%
Hispanic or Latino 16.8%
American Indian / Alaska Native 6.3%
Two or More 5.8%
Asian 2.1%
African American 0.5%

Largest group: White at 68.6% of enrollment.

Student-body diversity index 49.3/100

Simpson diversity index - at 49.3, Montessori Charter School of Flagstaff - Campus is more mixed than the Arizona school average of 47.2.

Programs

Funding & spending

District-wide per-pupil expenditure for Flagstaff Montessori (4205), which includes Montessori Charter School of Flagstaff - Campus.

$11,558
Per student
-12%
vs Arizona
Avg $13,145
-30%
vs U.S.
Avg $16,593
Revenue mix
Local 10.4%
State 89.6%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

Similar elementary schools statewide

Matched by enrollment size and by staffing ratio across all of Arizona, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on Montessori Charter School of Flagstaff - Campus's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

Frequently asked questions about Montessori Charter School of Flagstaff - Campus

How many students attend Montessori Charter School of Flagstaff - Campus?

Montessori Charter School of Flagstaff - Campus has 191 students enrolled. It is an elementary school in Flagstaff, AZ.

What is the racial and ethnic makeup of Montessori Charter School of Flagstaff - Campus?

The largest demographic group at Montessori Charter School of Flagstaff - Campus is White at 68.6% of enrollment, in Flagstaff, AZ.

What is the Resource Investment Index for Montessori Charter School of Flagstaff - Campus?

Montessori Charter School of Flagstaff - Campus has a Resource Investment Index of 30/100 (lower reported resources relative to schools nationally) based on 1 factor: student-teacher ratio. 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 Montessori Charter School of Flagstaff - Campus rank among elementary schools in Flagstaff?

By Resource Investment Index, Montessori Charter School of Flagstaff - Campus ranks #4 of 5 elementary schools in Flagstaff, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Flagstaff on the city page.

Is Montessori Charter School of Flagstaff - Campus a good school?

Montessori Charter School of Flagstaff - Campus earns 30/100 on the Resource Investment Index on federal resource data. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in Flagstaff Montessori (4205)?

None; Flagstaff Montessori (4205) is a single-school charter district, and Montessori Charter School of Flagstaff - Campus is its only campus.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.