Enrollment
914
Arizona · 2024-25 NCES data
Other / mixed grade configuration · Gilbert, AZ
San Tan Charter School
Federal NCES profile for San Tan Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 35/100.
2024-25 NCES dataOther / mixed grade configurationNCES 040077502916Charter school
🌟 Gifted program 70
🎓 Counselors 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
San Tan Charter School earns 35/100 on the Resource Investment Index on federal resource data.
- #31 of 46
- schools in Gilbert · Resource Index
- 35
- Resource Index · Typical
- 914
- students enrolled
By Resource Investment Index, San Tan Charter School ranks #31 of 46 schools in Gilbert, AZ.
School address
District: San Tan Montessori School Inc. (89798) · Arizona
NCES ID 040077502916 Verify on NCES CCD record →
What stands out at San Tan Charter School
San Tan Charter School is a large charter combined-grade school in Gilbert, Arizona, enrolling 914 students.
Enrollment of 914 puts it in the larger 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 (59%) and Hispanic or Latino (24%) (diversity index 58/100).
Counselor access is stretched at roughly 914 students per counselor, well above the ASCA-recommended 250:1 ceiling.
The surrounding San Tan Montessori School Inc. (89798) spends $7,157 per pupil, 46% below the Arizona average, a leaner-resourced district than most.
Among Gilbert's public schools, it stands alongside Williams Field High School (2,150 students): San Tan Charter School is smaller than that campus by headcount.
San Tan Montessori School Inc. (89798) is a single-school charter district, so San Tan Charter School 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 San Tan Charter School compares
San Tan Charter School on the metrics families compare, against Arizona and U.S. means.
| Metric | This school | vs Arizona | Arizona avg | U.S. avg |
|---|---|---|---|---|
| Enrollment | 914 | top 11% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
914
Bigger than 89% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Funding equity
$7,157
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
Counselors1.0 FTE
Per 914 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 9 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 1.0 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 59.3%
Hispanic or Latino 24.3%
Two or More 7.7%
African American 4.7%
Asian 2.5%
American Indian / Alaska Native 1.2%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 59.3% of enrollment.
Student-body diversity index 58.0/100
Simpson diversity index - at 58.0, San Tan Charter School is more mixed than the Arizona school average of 47.2.
Programs
AP courses offered 7
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for San Tan Montessori School Inc. (89798), which includes San Tan Charter School.
$7,157
Per student
-46%
vs Arizona
Avg $13,145
-57%
vs U.S.
Avg $16,593
Revenue mix
Local 13.0%
State 75.2%
Federal 11.8%
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 other schools in Gilbert
4 comparable other schools (grades Mixed) serving the same city.
Williams Field High School
Standard public school
2,150 students 21.9:1 students per teacher
Gateway Pointe Elementary
Standard public school
685 students 16.7:1 students per teacher
Great Hearts Academies - Arete Prep
Standard public school
540 students
Learning Foundation and Performing Arts Gilbert
Standard public school
259 students
Similar other 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 San Tan Charter School's federal record.
- Compare San Tan Charter School against another school. Compare schools
- San Tan Montessori School Inc. (89798)'s spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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 San Tan Charter School
How many students attend San Tan Charter School?
San Tan Charter School has 914 students enrolled. It is a public school in Gilbert, AZ.
What is the racial and ethnic makeup of San Tan Charter School?
The largest demographic group at San Tan Charter School is White at 59.3% of enrollment, in Gilbert, AZ. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 58.0/100.
What is the Resource Investment Index for San Tan Charter School?
San Tan Charter School has a Resource Investment Index of 35/100 (typical reported resources relative to schools nationally) based on 2 factors: student-teacher ratio, AP course offerings, counselor availability. 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 San Tan Charter School rank among schools in Gilbert?
By Resource Investment Index, San Tan Charter School ranks #31 of 46 schools in Gilbert, AZ. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Gilbert on the city page.
Is San Tan Charter School a good school?
San Tan Charter School earns 35/100 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 San Tan Montessori School Inc. (89798)?
None; San Tan Montessori School Inc. (89798) is a single-school charter district, and San Tan Charter School is its only campus.
Related tools
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.