Founded in 1974, Sierra School provides a challenging, comprehensive academic curriculum enriched with art, music, and foreign language.
The balance of our unique program helps ensure that each student is well prepared not only for higher education but also for a successful and rewarding life! Sierra students enjoy an atmosphere that encourages learning an atmosphere of inspiration, trust, guidance, and appreciation for each individual.
Our educators are highly skilled, enthusiastic, and committed to their students' achievement and personal fulfillment.
We also have a solid commitment to foster in our students a strong sense of community, mutual respect, and compassion for others.
Every student at Sierra is as unique as our program.
Sierra was created to nurture each individual. We encourage the ability to question and decide while developing the skills of critical thinking.
In a creative environment such as this, group activities are filled with humor and laughter.
Individually, students develop a deep understanding of their responsibilities toward one another, appreciating and respecting each person's worth and dignity.
Quick Stats (2025)
- School Type: Special Education School
- Grades: 4-11
- Enrollment: 17 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
Sierra School Of Sonoma County ranks among the top 20% of private schools in California for:
Category
Attribute
School Overview
Student Body
Total Students
17 students
Student Body Type
Co-ed
% Students of Color
90%
State avg.: 51%
Students by Grade

Academics and Faculty
Total Classroom Teachers
3 teachers
Student : Teacher Ratio
6:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
School Notes
- Founded in 1974, Sierra School provides a challenging, comprehensive academic curriculum enriched with art, music, and foreign language. The balance of our unique program helps ensure that each student is well prepared not only for higher education but also for a successful and rewarding life! Sierra students enjoy an atmosphere that encourages learning an atmosphere of inspiration, trust, guidance, and appreciation for each individual. Our educators are highly skilled, enthusiastic, and committed to their students' achievement and personal fulfillment. We also have a solid commitment to foster in our students a strong sense of community, mutual respect, and compassion for others. Every student at Sierra is as unique as our program. Sierra was created to nurture each individual. We encourage the ability to question and decide while developing the skills of critical thinking. In a creative environment such as this, group activities are filled with humor and laughter. Individually, students develop a deep understanding of their responsibilities toward one another, appreciating and respecting each person's worth and dignity.
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
When is the application deadline for Sierra School Of Sonoma County?
The application deadline for Sierra School Of Sonoma County is rolling (applications are reviewed as they are received year-round).
School Reviews
Endorse Sierra School Of Sonoma County. Endorsements should be a few sentences in length. Please include any comments on:
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