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Charter school · Isthmus Montessori Academy Inc · Madison, Wisconsin

Isthmus Montessori Academy Public

Isthmus Montessori Academy Public rates 7.7 on our ten-point scale and ranks 536 of 2,109 schools in Wisconsin.

Schools, 1 to 10This campus on our ten-point scale.
7.7this school

7.7 on a one-to-ten scale.

#536 of 2,109 schools in Wisconsin

The brief

A charter school in Madison, WI where students score 18 points below what's typical for similar communities.

It ranks 536 of 2,109 schools in Wisconsin and 1 of 1 in Isthmus Montessori Academy Inc.

Isthmus Montessori Academy Public is a charter school: it enrolls by application rather than by address, so check its enrollment process directly before choosing a neighborhood for it.

Math52%1 point below the Wisconsin average of 53%Grades 3–8 · 112 students tested · 2025 FORWARD
Reading54%2 points above the Wisconsin average of 52%Grades 3–8 · 112 students tested · 2025 FORWARD
Proficiency declined earlier in the 8-year record (2018–2025), then recovered 21 points since 2020, reaching 53% in 2025.2025 FORWARD; 22 test records from WI state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
9.9
25% of the rating
Academics
5.8
25% of the rating
College Readiness
7.0
30% of the rating
Resources & Environment
8.2
20% of the rating
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2025

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 4/4 metrics

Multi-year averages used by the rating model: math 40% (multi-year average, 2018-2025) · reading/ELA 48% (multi-year average, 2018-2025).

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 FORWARD · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 FORWARD. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 FORWARD · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 FORWARD. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 53704; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2018-2025; directory SY 2023–24

The neighborhood

Where it sits, and what the area looks like.
Isthmus Montessori Academy Public and the 20 nearest schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

Median income
$75,007
Median home value
$289,000
Median rent
$1,231/mo
College educated
49.5%
Homeownership
53.5%
Poverty rate
11.8%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 53704; this is area context, not an attendance boundary.

Getting around

Walk Score
40
Car-Dependent
Transit Score
41
Some Transit
Bike Score
60
Bikeable
City reported crime
2,094/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for Madison. This is a city-level reported-crime measure, not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · city context (Madison), not school-level safety or attendance eligibility. Source details

Source period: 2025. Freshness not available.

Programs and who goes here

What the campus offers, and who it enrolls.

Programs

AP and IB
IB Programme
state average 2.4 AP courses · 2 IB enrolled · CRDC via Urban Institute · SY 2021–22
Advanced STEM courses
2 of 5
Algebra II, Advanced Math, Calculus, Chemistry, Physics · CRDC via Urban Institute · SY 2021–22

Who goes here

Free or reduced lunch
4.1%
Students qualifying for federal meal assistance. Shown separately, never in the score.

NCES Common Core of Data (CCD).

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. Isthmus Montessori Academy Publicthis school
    7.7
  2. 7.0Compare →
  3. not ratedCompare →
  4. not ratedCompare →
Three grade-compatible schools using the same rating model sit within 5 miles, and none rates higher than Isthmus Montessori Academy Public among the rated peers.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

The record

What is on file, and where each number came from.

Questions families ask

What grades does Isthmus Montessori Academy Public serve?

Isthmus Montessori Academy Public serves students in grades Pre-K through 12th.

How many students attend Isthmus Montessori Academy Public?

Isthmus Montessori Academy Public has an enrollment of approximately 220 students.

What is the student-teacher ratio at Isthmus Montessori Academy Public?

The student-teacher ratio at Isthmus Montessori Academy Public is 14.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Isthmus Montessori Academy Public rank in WI?

Isthmus Montessori Academy Public ranks #536 of 2,109 schools in WI.

What is Isthmus Montessori Academy Public's MySchoolScout rating?

Isthmus Montessori Academy Public has a current MySchoolScout rating of 7.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Isthmus Montessori Academy Public?

Based on loaded state assessment records, Isthmus Montessori Academy Public has 40% math proficiency (multi-year average, 2018-2025) and 48% reading/ELA proficiency (multi-year average, 2018-2025).

Is Isthmus Montessori Academy Public a charter school?

Yes, Isthmus Montessori Academy Public is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Isthmus Montessori Academy Public a Title I school?

No, Isthmus Montessori Academy Public is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Isthmus Montessori Academy Public?

4.1% of students at Isthmus Montessori Academy Public qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School facts

Grades
Pre-K – 12th
Enrollment
220
Student-teacher ratio
14.7:1
Teachers (FTE)
15
Type
Regular
Title I
No
Setting
Large City
County
Dane County
Rank in district
#1 of 1
Schools in district
1
District spending per student
Not available
This value was not reported by the source.
District child poverty rate
Not available
The source release did not match this district identifier.
Area population (ZIP 53704)
47,136
Area average commute
21.3 min
Area median age
35.2

NCES Common Core of Data (CCD) (SY 2023–24).

Related reading

Data from NCES Common Core of Data, Wisconsin Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.