Tri-County High

409 S West St, Plainfield, WI 54966

DSchola Grade
Grades
9–12
High
Students
180
Enrolled 2024–25
Students per teacher
11.1 : 1
Full-time teachers
District
Tri-County Area School District
Waushara County

Schola Grade D · Below average

Letter grade (A–F) · compared with 445 Wisconsin high schools · How we grade
Test scores20% proficient in math & reading
18thpercentile
Equity10% of low-income students proficient
19thpercentile
Attendance30% chronically absent
24thpercentile
Graduation rate95% graduate in 4 years
54thpercentile
College readinessAt least 40% take AP, IB or dual-enrollment courses
69thpercentile
Class size11.1 students per teacher
85thpercentile

Percentiles compare this school with other Wisconsin high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Tri-County High

Tri-County High is a public high school in Plainfield, Wisconsin, serving grades 9–12. It is part of Tri-County Area School District. The school is located in a remote rural area in Waushara County.

In the 2024–25 school year, 180 students were enrolled, with about 11.1 students for every full-time teacher. That ratio is smaller than the typical Wisconsin high school (13.5 students per teacher). Its Schola Grade is D (below average), compared with 445 Wisconsin high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

409 S West St
Plainfield, WI 54966
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
180 students
Students per teacher
11.1 to 1
AP courses offered
7
Charter school
No
Magnet school
No
Virtual learning
Offers virtual courses
Locale
Rural — Remote
School district
Tri-County Area School District
County
Waushara County
NCES school ID
551182001548

Schools near Tri-County High

All 3 schools in Plainfield →
Wautoma High
Public · Grades 9–12 · 388 students
B14 mi
Amherst High
Public · Grades 9–12 · 349 students
A20 mi

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.