Isthmus Montessori Academy

Isthmus Montessori Academy in Madison, WI serves co–ed students from kindergarten through 9th grade in a nonsectarian Montessori program.
The school enrolled 46 students in 2024 with a student–teacher ratio of 12:1 supported by 4 teachers.
Founded in 2012, the academy operates in a large city community and is a member of the Association Montessori International (AMI).
Twenty percent of the student body represents students of color, reflecting some diversity within the school population.
Isthmus Montessori Academy offers an alternative Montessori curriculum option for families seeking private schools in Madison.

Quick Facts (2026)

  • School Type: Montessori School
  • Grades: Kindergarten-9
  • Enrollment: 46 students
  • Application Deadline: None / Rolling
  • Source: National Center for Education Statistics (NCES)

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Kindergarten-9
Year Founded
2012
School Calendar

Student Body

Total Students
46 students
Student Body Type
Co-ed
% Students of Color
20%
State avg.: 35%
Students by Grade
Isthmus Montessori Academy Student By Grade

Academics and Faculty

Total Classroom Teachers
4 teachers
Student-Teacher Ratio
12:1
National avg.: 11:1

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Tuition Notes
$21,840/year
Application URL
Source: National Center for Education Statistics (NCES)

Frequently Asked Questions

When is the application deadline for Isthmus Montessori Academy?
The application deadline for Isthmus Montessori Academy is rolling (applications are reviewed as they are received year-round).

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Quick Facts (2026)

  • School Type: Montessori School
  • Grades: Kindergarten-9
  • Enrollment: 46 students
  • Application Deadline: None / Rolling
  • Source: National Center for Education Statistics (NCES)

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Did You Know?

The average private school tuition in Madison, WI is $8,124 for elementary schools and $9,509 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Madison, WI is 79% (read more about average acceptance rates across the country).

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