Madison, Wisconsin 53704 On Google Maps →
Isthmus Montessori Academy
- 0.2–18 yrs
- Ages
- Toddler · Primary · Elementary · Secondary
- Levels
- Free
- Tuition
- 250 students
- Enrollment
In context
How it compares in Madison
Isthmus Montessori Academy is one of 10 Montessori schools in Madison, and one of 2 with full AMS or AMI accreditation. It is the only public, tuition-free Montessori option in Madison.
All Madison schools → Best Montessori in Madison → Cost calculator →
Facts & figures
From government filings and independent surveys — not the school's own marketing.
- Ownership
501(c)(3) nonprofit since 2013
$3.4M revenue (FY2023) · 12 years of IRS filings
- Classrooms
3 Primary · 3 Lower Elementary · 3 Upper Elementary · 2 Secondary
14 lead teachers · 4 assistants
From the school
Programs, tuition & schedule
"Our mission is to provide an aid to life through a holistic AMI Montessori Education; helping children achieve their greatest success, develop independence, and live with genuine kindness to others and the world."
Accreditation & affiliations
- AMI · affiliated
- International Baccalaureate · World School (Diploma Programme, since 2021)
- YoungStar (Wisconsin) · 5 Star rated (IMA portion)
Source: school's homepage ↗
Programs offered
- Nido — 2 months - 18 months
- Young Children
- Primary
- Elementary
- Junior High
- High School
- IMAP public charter (4K-12th) — 4K-12th grade
Source: school's homepage ↗
Tuition
IMA (private, ages 2 months-3 years): tuition-based; accepts Wisconsin Shares. IMAP (public charter, 4K-12th): tuition-free. 4K: free half-day (8am-11:30am) and full-day (8am-3pm) via Get Kids Ready Program. 5K-12th: free 8am-3pm.
Source: school's homepage ↗
Schedule
8am-3pm (5K-12th); 4K: 8am-11:30am or 8am-3pm; extended care available for some programs
Extended-day / aftercare available.
Admissions
How to apply
- Apply during the open admissions window
- Late applicants added to waitlist
Deadlines: 2026-2027 admissions window: December 1, 2025 - February 12, 2026
Source: school's Admissions page ↗
Good to know
About Isthmus Montessori Academy
Isthmus Montessori Academy is a Montessori school (private) in Madison, Wisconsin serving grades K-9. Our mission is to provide an aid to life through a holistic AMI Montessori Education; helping children achieve their greatest success, develop independence, and live with genuine kindness to others and the world.
Where is Isthmus Montessori Academy located? ⌃
1802 Pankratz Street, Madison, WI 53704
What is the phone number for Isthmus Montessori Academy? ⌃
Isthmus Montessori Academy can be reached at (608) 661-8200.
Is Isthmus Montessori Academy accredited? ⌃
Isthmus Montessori Academy lists the following accreditations or affiliations on its website: AMI (affiliated), International Baccalaureate (World School (Diploma Programme, since 2021)), YoungStar (Wisconsin) (5 Star rated (IMA portion)).
How much is tuition at Isthmus Montessori Academy? ⌃
Per Isthmus Montessori Academy's own website: IMA (private, ages 2 months-3 years): tuition-based; accepts Wisconsin Shares. IMAP (public charter, 4K-12th): tuition-free. 4K: free half-day (8am-11:30am) and full-day (8am-3pm) via Get Kids Ready Program. 5K-12th: free 8am-3pm.
How do you apply to Isthmus Montessori Academy? ⌃
Isthmus Montessori Academy's admissions process: Apply during the open admissions window; Late applicants added to waitlist.
What are the hours at Isthmus Montessori Academy? ⌃
Isthmus Montessori Academy operates on these hours: 8am-3pm (5K-12th); 4K: 8am-11:30am or 8am-3pm; extended care available for some programs.
What ages does Isthmus Montessori Academy serve? ⌃
Isthmus Montessori Academy serves grades K-9.
What is the website for Isthmus Montessori Academy? ⌃
The official website is isthmusmontessoriacademy.org.