High · Alternative · Grades 11 to 12
DOC: Columbia Correctional Institution, Portage, WI
DOC: Columbia Correctional Institution is a public high school in Portage, part of Wisconsin Department of Corrections. It enrolled 6 students in 2024-25, with 2.0 students per full-time teacher.
Enrollment and teachers
- Students
- 6
- Teachers (FTE)
- 3.0
- Students per teacher
- 2.0
- Grades
- 11 to 12
This school's ratio is 3.0 lower than the district figure of 5.0. The Wisconsin average across schools is 14.0. Ratios count all teachers, including specialists, so they are lower than typical class sizes.
This school2.0
District5.0
Wisconsin14.0
United States15.3
School details
- Address
- 2925 Columbia Dr, Portage, WI 53901
- Phone
- (608)742-9100
- County
- Dane County
- Level
- High
- Type
- Alternative
- Status
- Open
- Charter
- No
- Locale
- Town: Distant
- NCES school ID
- 550003502005
Related schools
Other high schools in Wisconsin Department of Corrections
- DOC: Lincoln Hills/Copper Lake School 38 students
- DOC: Kettle Moraine Correctional Institu tion 34 students
- DOC: Racine Youthful Offender Correction al Facility 32 students
- DOC: Green Bay Correctional Institution 19 students
- Copper Lake School 14 students
- Grow Academy 5 students
- DOC: Milwaukee Secure Detention Facility 4 students
- DOC: Racine Correctional Institution 2 students
- DOC: Wisconsin Secure Program Facility 2 students
- DOC: New Lisbon Correctional Facility 1 students
- DOC: Taycheedah Correctional Institution 1 students
- DOC: Waupun Correctional Institution 1 students
High schools elsewhere in Portage
- Portage High Portage Community School District
- Portage Academy of Achievement Portage Community School District
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.