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Charter school · San Tan Montessori School Inc. (89798) · Gilbert, Arizona

San Tan Charter School

San Tan Charter School rates 6.5 on our ten-point scale and ranks 956 of 2,019 schools in Arizona.

Schools, 1 to 10This campus on our ten-point scale.
6.5this school

6.5 on a one-to-ten scale.

#956 of 2,019 schools in Arizona

The brief

A charter school in Gilbert, AZ where students score 42 points above what's typical for similar communities.

It ranks 956 of 2,019 schools in Arizona and 1 of 1 in San Tan Montessori School Inc. (89798).

San Tan Charter School is a charter school: it enrolls by application rather than by address, so check its enrollment process directly before choosing a neighborhood for it.

Math36%2 points above the Arizona average of 34%Grades 3–8 · 412 students tested · 2025 AASA
Reading48%7 points above the Arizona average of 41%Grades 3–8 · 410 students tested · 2025 AASA
Proficiency has held near 42% across the 2-year record (2024–2025).2025 AASA; 51 test records from AZ state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
6.7
25% of the rating
Academics
7.8
25% of the rating
College Readiness
7.9
30% of the rating
Resources & Environment
2.6
20% of the rating
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2025

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 4/4 metrics

Multi-year averages used by the rating model: math 46% (multi-year average, 2009-2025) · reading/ELA 55% (multi-year average, 2009-2025).

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 AASA · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 AASA · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 85234; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

The neighborhood

Where it sits, and what the area looks like.
San Tan Charter School and the 20 nearest schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

Median income
$118,012
Median home value
$488,600
Median rent
$1,971/mo
College educated
45.9%
Homeownership
75.1%
Poverty rate
6%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 85234; this is area context, not an attendance boundary.

Getting around

Walk Score
19
Car-Dependent
Transit Score
0
Minimal Transit
Bike Score
37
Somewhat Bikeable
City reported crime
989/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for Gilbert. This is a city-level reported-crime measure, not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · city context (Gilbert), not school-level safety or attendance eligibility. Source details

Source period: 2025. Freshness not available.

Programs and who goes here

What the campus offers, and who it enrolls.

Programs

AP and IB
2 AP courses
11.7% participation · state average 2.8 AP courses · CRDC via Urban Institute · SY 2021–22
Athletics
7 sports
4 boys' · 3 girls' · 9 teams (incl. JV) · CRDC via Urban Institute · SY 2021–22
Advanced STEM courses
5 of 5
Algebra II, Advanced Math, Calculus, Chemistry, Physics · CRDC via Urban Institute · SY 2021–22
Gifted and talented
Available
A program for qualifying students · CRDC via Urban Institute · SY 2021–22

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. 6.9Compare →
  2. San Tan Charter Schoolthis school
    6.5
  3. 6.4Compare →
  4. 5.8Compare →
  5. 5.7Compare →
  6. 5.2Compare →
  7. Astravo Online Academy1.7 mi · charter
    4.3Compare →
  8. 3.9Compare →
  9. Astravo Online Academy1.7 mi · charter
    3.5Compare →
Eight grade-compatible schools using the same rating model sit within 5 miles, and one rates higher than San Tan Charter School.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

The record

What is on file, and where each number came from.

Questions families ask

What grades does San Tan Charter School serve?

San Tan Charter School serves students in grades Kindergarten through 12th.

How many students attend San Tan Charter School?

San Tan Charter School has an enrollment of approximately 888 students.

How does San Tan Charter School rank in AZ?

San Tan Charter School ranks #956 of 2,019 schools in AZ.

What is San Tan Charter School's MySchoolScout rating?

San Tan Charter School has a current MySchoolScout rating of 6.5 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at San Tan Charter School?

Based on loaded state assessment records, San Tan Charter School has 46% math proficiency (multi-year average, 2009-2025) and 55% reading/ELA proficiency (multi-year average, 2009-2025).

Is San Tan Charter School a charter school?

Yes, San Tan Charter School is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is San Tan Charter School a Title I school?

No, San Tan Charter School is not currently a Title I school.

School facts

Grades
Kindergarten – 12th
Enrollment
888
Type
Regular
Title I
No
Setting
Large City
County
Maricopa County
4-year graduation
95%+
Class of 2023
Rank in district
#1 of 1
Schools in district
1
District spending per student
$8,344
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
Not available
The source release did not match this district identifier.
Area population (ZIP 85234)
49,040
Area average commute
23.9 min
Area median age
36.3

NCES Common Core of Data (CCD) (SY 2023–24).

Related reading

Data from NCES Common Core of Data, Arizona Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.