St. Helena Montessori offers an internationally accredited (AMI) program for students from 18 months through 12th grade.
Our 20-acre farm campus is home to our Toddler, Primary, Elementary and Adolescent Programs.
Quick Facts (2026)
- School Type: Montessori School
- Grades: Prekindergarten-12
- Enrollment: 266 students
- Average class size: 20 students
- Application Deadline: None / Rolling
- Source: Verified school update
School Overview
School Type
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-12
ADD/ADHD Support
Yes
Learning Difference Programs
Yes
Year Founded
1981
Summer School Offered
Yes
School Calendar
Student Body
Total Students
266 students
Student Body Type
Co-ed
% Students of Color
3%
State avg.: 51%
Students by Grade
Academics and Faculty
Total Classroom Teachers
29 teachers
Student-Teacher Ratio
9:1
National avg.:
Average Class Size
20 students
Classroom Dress Code
Formal
Uniform: 1st-12th
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
% on Financial Aid
30%
Admissions Director
Ted Stonbely
Sports
Total Sports Offered
4 sports
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
3 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Arts and Music Programs:
Recreational Athletic Programs:
Astronomy/Star Gazing
Arts and Music Programs:
Cultural Awareness
Recreational Athletic Programs:
Mountain Biking
Source: Verified school update
Frequently Asked Questions
What sports does St. Helena Montessori School And Farm offer?
St. Helena Montessori School And Farm offers 4 interscholastic sports: Basketball, Mountain Biking, Track and Field and Volleyball.
When is the application deadline for St. Helena Montessori School And Farm?
The application deadline for St. Helena Montessori School And Farm is rolling (applications are reviewed as they are received year-round).
Related Schools
Show me:
People that viewed St. Helena Montessori School And Farm also viewed these schools: Sunrise Montessori Of Napa Valley, Santa Rosa Montessori, Crescent Montessori School, Summerfield Waldorf School & Farm and The Berkeley School.
The nearest high school to St. Helena Montessori School And Farm is Victory Christian Academy (12.2 miles away)
The nearest elementary school is Foothills Adventist Elementary School (2.2 miles away)
The nearest preschool is Sun And Stars Montessori School (1.0 miles away)
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Show me:
School
Location
Miles
Quick Facts
Sunrise Montessori Of Napa Valley
Montessori School
1226 Salvador Ave
Napa, CA 94558
(707) 260-5817
Napa, CA 94558
(707) 260-5817
13.1 miles
Gr: PK-6 | 109 students
Santa Rosa Montessori ![Santa Rosa Montessori Photo - Sounding it out and building words! This 3.5-year-old is making words with material designed to support early writing skills. Montessori makes early literacy fun and hands-on.]( "Santa Rosa Montessori Photo - Sounding it out and building words! This 3.5-year-old is making words with material designed to support early writing skills. Montessori makes early literacy fun and hands-on.")
Montessori School
4676 Mayette Ave
Santa Rosa, CA 95405
(707) 495-7685
Santa Rosa, CA 95405
(707) 495-7685
12.4 miles
Gr: NS-K | 39 students Avg. class size: 15 students Extracurrculars: 1 Tuition listed
Crescent Montessori School
Montessori School
276 E. Napa Street
Sonoma, CA 95476
(707) 996-2456
Sonoma, CA 95476
(707) 996-2456
15 miles
Gr: NS-7 | 56 students Avg. class size: 15 students Tuition & acceptance rate listed
655 Willowside Road
Santa Rosa, CA 95401
(707) 575-7194
Santa Rosa, CA 95401
(707) 575-7194
19.6 miles
Gr: PK-12 | 279 students Avg. class size: 20 students Sports: 6 | Extracurrculars: 2 Tuition & acceptance rate listed
1310 University Ave
Berkeley, CA 94702
(510) 665-8800
Berkeley, CA 94702
(510) 665-8800
45.1 miles
Gr: PK-8 | 154 students Avg. class size: 22 students Sports: 2 | Extracurrculars: 3 Tuition listed
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