The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·SAN TAN MONTESSORI SCHOOL INC. (89798)·NCES 040077502916

San Tan Charter School

3959 E ELLIOT RD, GILBERT, AZ 85234 · (480) 222-0811 · Maricopa County
GRADES KG–12COMBINED11-CITYCHARTERREGULAR SCHOOL914 STUDENTS
Enrollment
914
Combined
STATE 550
Student : Teacher
41.5:1
22 FTE teachers
STATE 21.4:1
Free / Reduced Lunch
,
Title I proxy
STATE 95%
Community
2
0 members
Enrollment and student:teacher ratio compared against other combined schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Kindergarten
77
Grade 1
74
Grade 2
65
Grade 3
54
Grade 4
73
Grade 5
64
Grade 6
52
Grade 7
86
Grade 8
86
Grade 9
86
Grade 10
79
Grade 11
63
Grade 12
55
Student demographics
White
54259%
STATE 33%
Hispanic
22224%
STATE 48%
Black
435%
STATE 6%
Asian
233%
STATE 3%
Two+
708%
STATE 4%
Native American
111%
STATE 5%
Pacific Islander
30%
STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
49955%
Female
41545%

Discussions

+ POST

Test scores

AASA 2024-25 . % Passing
English Language Arts
48.0%
AZ avg 45.4% . +4.0pp since 2017
Math
36.0%
AZ avg 37.8% . -10.0pp since 2017
Source: AASA. All students, all grades. See all years and grades →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
914
+121 (+15%) vs 2017
% White
59%
was 69%
% Hispanic
24%
was 15%
% Black
5%
was 4%
% Asian
3%
was 3%
Source: NCES Common Core of Data

About San Tan Charter School

San Tan Charter School is one of the sizable K-12 campuss in GILBERT, Arizona, operated by San Tan Montessori School Inc. (89798), with 914 students on its rolls from grades K through 12. That puts it 66% above the typical public school in Arizona, which averages around 550 students.

San Tan Montessori School Inc. (89798) is the operating authority for San Tan Charter School, handling staffing, calendars, and reporting to the state department of education.

On the student-mix side, San Tan Charter School reports that 59% of the student body identifies as White. Other groups include 24% Hispanic, 8% multiracial, 5% Black, 3% Asian. That mix tracks the wider county fairly closely.

In terms of school funding signals, On paper, San Tan Charter School has 22 full-time-equivalent teachers, translating to a class-load average of around 41.5:1. That figure is higher than the state norm's 21.4:1 average.

Across the wider county, ACS estimates for Maricopa County put median household income runs about $89,300, roughly 37% of adults have completed at least a four-year degree, and the poverty rate sits near 8%. In all, Maricopa County runs 1352 public schools (combined enrollment of about 725,139 students), of which San Tan Charter School is one.

The closest other public school is Highland Park Elementary, roughly 0.5 miles away. Within five miles, there are 8 other public schools.

The campus sits in a downtown setting. San Tan Charter School operates as a public charter school, meaning it is publicly funded but governed independently of the surrounding district's traditional schools.

Five-year trend. Over the past 7-year window, the student count ticked up 15%: 793 students in 2018 compared to 914 in 2025. Over the same period, the White share decreased from 69% to 59%.

On allk12, the feed for San Tan Charter School typically covers school events, parent volunteer needs, and clubs. Members of the school community can share what they know.

Maricopa County at a glance

View full county profile
Population
4,559,748
Census ACS
Median income
$89,300
Household, ACS
Bachelor's+
37%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
1,352
725,139 students

Quick facts

School name
San Tan Charter School
District
San Tan Montessori School Inc. (89798)
Address
3959 E ELLIOT RD, GILBERT, AZ 85234
Phone
(480) 222-0811
County
Maricopa County
Level
Combined
Grade range
KG–12
Total enrollment
914
Teachers (FTE)
22
Student–teacher ratio
41.5:1
Locale
11-City: Large
NCES ID
040077502916
Charter school
Yes
Virtual school
No

Related schools

Other schools in San Tan Montessori School Inc. (89798)
Other schools in GILBERT
Nearby schools

Frequently asked questions

About San Tan Charter School
How many students attend San Tan Charter School?
San Tan Charter School enrolls approximately 914 students in grades KG-12.
What age range does San Tan Charter School serve?
San Tan Charter School serves students from grade KG through grade 12.
How many students per teacher at San Tan Charter School?
Approximately 41.5:1 students per teacher at San Tan Charter School.
How diverse is San Tan Charter School?
San Tan Charter School reports a student body of 59% White, 24% Hispanic, 5% Black, 3% Asian, 8% Two or more.
Is San Tan Charter School public or private?
San Tan Charter School is a public K-12 school operated as a charter, overseen by San Tan Montessori School Inc. (89798).
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post