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Public other school · Isthmus Montessori Academy Inc

Isthmus Montessori Academy Public

Grades PK–12 · Madison, WI · NCES 550008203085

Charter

School overview

At a glance

Reported students

210

NCES CCD 2024–25, where reported

Teachers (FTE)

13.73

NCES CCD 2024–25

Student–teacher ratio

15.3:1

Calculated, not a class-size measure

Grades served

PK–12

NCES preliminary directory 2025–26

School benchmarks

Wisconsin other enrollment

66th percentile

Compared with 146 same-level schools reporting enrollment.

District median enrollment

210

Isthmus Montessori Academy Public: 210 reported students.

State peer staffing position

33th percentile

15.3:1 reported; state peer median 21.5:1. Ratio is not class size.

Profile interpretation

What the reported data says about Isthmus Montessori Academy Public

Isthmus Montessori Academy Public is a public other school serving grades PK–12 in Madison. It is one of 1 current school records connected to Isthmus Montessori Academy Inc. NCES reports 210 students for 2024–25.

Among 146 other schools in Wisconsin with comparable records, this school is larger than the reported median of 132.5 students. Its enrollment is at approximately the 66th percentile for that peer group. Size describes the campus, not instructional quality.

The reported student–teacher ratio is 15.3:1, below the Wisconsin median of 21.5:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.

The two largest reported race and ethnicity groups are White (67.6%) and Hispanic or Latino (14.3%). English learners represent 2% of enrollment. Students served under IDEA represent 18.2%. These figures help families understand who the school serves; they are not rating inputs.

Turn data into a school visit

Questions worth asking Isthmus Montessori Academy Public

  1. 1How do the reported 15.3:1 student–teacher ratio and 13.73 teacher FTE translate into actual class sizes by grade?
  2. 2Have the reported academic programs changed since the 2021–22 CRDC collection?
  3. 3How are the school's 1 counselor FTE allocated across grades and student needs?
  4. 4What meal assistance, transportation, after-school, and family-support services are currently available?

Student context

Enrollment needs

English learners
2%
Students with disabilities
18.2%
Free/reduced-price lunch
17.6%
Lunch program
Yes participating without using any Provision or the CEO

People available to students

Support staff

Counselors (FTE)
1
Nurses (FTE)
0.2
Psychologists (FTE)
0.2
Social workers (FTE)
0.5

Student demographics

Race and ethnicity share of reported enrollment

  • White67.6%
  • Hispanic14.3%
  • Black2.9%
  • Asian3.8%
  • American Indian / Alaska Native0%
  • Native Hawaiian / Pacific Islander0%
  • Multiracial11.4%

Race/ethnicity: NCES CCD 2024–25 where reported, otherwise CRDC 2021–22. English learner and disability context: CRDC 2021–22. Privacy rules can produce missing values.

Learning opportunities

Programs reported by the school

Advanced Placement

Not reported as offered

Gifted and talented

Not reported as offered

Computer science

Not reported as offered

Program availability is from CRDC 2021–22 and can change. Confirm current courses and eligibility with the school.