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Elementary · Regular · Grades PK to 8

Adeline Montessori School Inc, Oconomowoc, WI

Charter schoolCEP schoolAdeline Montessori School Inc is a public elementary school in Oconomowoc, part of Adeline Montessori School Inc. It enrolled 211 students in 2024-25, with 11.7 students per full-time teacher.

Enrollment and teachers

Students
211
Teachers (FTE)
18.0
Students per teacher
11.7
Grades
PK to 8

This school's ratio is about the same as the district figure of 11.7. The Wisconsin average across schools is 14.0. Ratios count all teachers, including specialists, so they are lower than typical class sizes.

This school11.7
District11.7
Wisconsin14.0
United States15.3

School details

Address
995 S Sawyer Rd, Oconomowoc, WI 53066
Phone
(262)201-4492
District
Adeline Montessori School Inc
County
Waukesha County
Level
Elementary
Type
Regular
Status
Open
Charter
Yes
Locale
Rural: Fringe
NCES school ID
550008903150
Location from NCES coordinates. Map data OpenStreetMap contributors. Open larger map

School meals

Counts of students eligible for free or reduced-price lunch, as reported to NCES.
Free or reduced-price lunch
31.4% of enrollment.
Community Eligibility Provision
Yes (CEP school)

Schools in the Community Eligibility Provision (CEP) serve free meals to all students, so their free lunch counts often reflect direct certification or total enrollment. Free and reduced lunch shares are not comparable between CEP and non-CEP schools.

Related schools

Elementary schools elsewhere in Oconomowoc

We publish official enrollment and staffing data, not ratings or test scores.

Source: NCES Common Core of Data 2024-25 and F-33 finance 2020, via the Urban Institute Education Data Portal. Last reviewed October 2026. Blank values are not available, not applicable or suppressed in the source. See the methodology.