The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.

3 schools in Plainfield

Wisconsin · Public K-12

Plainfield, Wisconsin operates 3 public K-12 schools between its neighborhoods, enrolling about 579 students (around 193 per campus).

7-year change in Plainfield

SY 2017-18 vs SY 2024-25
Total enrollment
579
-31 (-5%) vs SY 2017-18
School count
3
0 (0%) vs SY 2017-18
% White
68%
was 68%
% Hispanic
29%
was 30%
% Black
0%
was 1%
% Asian
2%
was 1%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
NameLevelGradesEnrollment
Tri-County ElementaryElementaryPK-05265
Tri-County HighHigh09-12180
Tri-County MiddleMiddle06-08134

About Plainfield

Plainfield, Wisconsin is home to 3 public schools, with combined enrollment of approximately 579 students. By school count, it is a compact city.

In terms of grade levels, the city is built around 1 elementary, 1 middle, and 1 high.

Average school size in Plainfield is around 193 students, 48% below the Wisconsin average of about 370.

Five-year track record. Across the same 7-year window, public-school enrollment shrank 5%: 610 students in SY 2017-18 versus 579 in SY 2024-25.

On this page, the community for Plainfield discusses enrollment trends, district policy changes, and bus-route updates. Parents, students, and educators in the area can post or comment.

Frequently asked questions

How many public schools are in Plainfield?
Plainfield, Wisconsin has 3 public K-12 schools serving approximately 579 students.
How many elementary, middle, and high schools are in Plainfield?
Plainfield has 1 elementary, 1 middle, 1 high public schools.
What is the largest public school in Plainfield?
Tri-County Elementary is the largest public school in Plainfield by enrollment, with approximately 265 students.
What school districts serve Plainfield?
Plainfield public schools are operated by Tri-County Area School District.
What grade levels do public schools in Plainfield cover?
Public schools in Plainfield serve students from pre-K through grade 12.