Sierra School Gilbert (Top-Ranked �� School for 2026)

Home > Arizona > Maricopa County > Gilbert

Sierra School Gilbert

875 S Cooper Rd
Gilbert, AZ 85233

Since 1995, ABA has provided private special education programming and services focused on supporting students with targeted academic and behavioral needs.

ABA responds to the identified needs of school districts throughout the State of Arizona, with the purpose of providing special education placement, program development, consultation, and related services for students with special needs.

Our mission is to provide school districts and families with positive, pro-active, and evidence-based solutions that maximize students' individual potential.

As a state-approved �� Special Education Organization, we are compliant with State and Federal regulations regarding the provision of special education and related-services.

Quick Facts (2026)

Top-Ranked AZ School
School Type: Special Education School
Grades: Kindergarten-12
Enrollment: 24 students
Average class size: 15 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

Top Rankings

Sierra School Gilbert ranks among the top 20% of private schools in Arizona for:

School Overview

School Type

Special Education School

Religious Affiliation

Nonsectarian

Grades Offered

Grades Kindergarten-12

Year Founded

2025

Student Body

Total Students

24 students

Student Body Type

Co-ed

% Students of Color

21%

State avg.: 38%

Students by Grade

Academics and Faculty

Total Classroom Teachers

4 teachers

Student-Teacher Ratio

6:1

National avg.:

Average Class Size

15 students

Number of AP/Advanced Courses

15 courses

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Application URL

Source: National Center for Education Statistics (NCES)

REQUEST FREE INFORMATION

Frequently Asked Questions

What is Sierra School Gilbert's ranking?

Sierra School Gilbert ranks among the top 20% of private schools in Arizona for: Most AP courses offered.

When is the application deadline for Sierra School Gilbert?

The application deadline for Sierra School Gilbert is rolling (applications are reviewed as they are received year-round).

School Reviews

Endorse Sierra School Gilbert. Endorsements should be a few sentences in length. Please include any comments on:

Quality of academic programs, teachers, and facilities
Availability of music, art, sports and other extracurricular activities
Academic or athletic awards

Recent Articles

January 25, 2026

Navigating �� School Finances 2026

Essential 2026 guide for parents on private school costs, financial aid, and planning strategies.

January 24, 2026

Preparation for Standardized Tests & College Admissions 2026

A 2026 guide for private school test prep and college admissions strategies, with insights, trends, and best practices for families and educators.

January 24, 2026

Mental Health & Wellness Support in �� Schools: Key Questions for Parents

Discover essential questions about mental health & wellness support in private schools before enrolling, with 2026 updates for informed decisions.

Quick Facts (2026)

Top-Ranked AZ School
School Type: Special Education School
Grades: Kindergarten-12
Enrollment: 24 students
Average class size: 15 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

Request Information

Email:

Name of parent:

Student first name:

Student last name:

Student date of birth:

Student is:

Male

Female

Currently in grade:

Seeking entry for grade:

Target start date:

Please briefly describe academic, athletic, and extracurricular interests of the student:

Home address:

City:

Country:

State:

Zip: (enter "N/A" if not applicable)

Phone:

Save this data and create your user profile. Create your own user account so you don't have to re-type your user data each time you request information. You'll also be able to track your information requests, get reminded of application dates, and more!

Username:

Password:

Did You Know?

The average private school tuition in Gilbert, AZ is $15,317 for elementary schools (read more about average private school tuition across the country).