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Tri-County High

Public Grades 9-12
402nd
SchoolDigger Rank ?
of 431 Wisconsin High Schools
Better than 7% of Wisconsin high schools
Summary

Tri-County High is a public high school located in Plainfield, Wisconsin, serving grades 9-12 with a total enrollment of 169 students. The school is part of the Tri-County Area School District, which is ranked 399 out of 426 districts in the state and has a 0-star rating from SchoolDigger.

Tri-County High consistently ranks in the bottom quartile of Wisconsin high schools, with test scores significantly below the state averages across all subjects and grade levels. For example, in 2024-2025, the percentage of 10th-grade students proficient or better in Social Studies, English Language Arts, Mathematics, and Science were 24.39%, 29.41%, 26.47%, and 20.59%, respectively, compared to the state averages of 47.67%, 48.62%, 42.73%, and 43.42%. The school's performance on the ACT and Forward Exam has also been consistently low, with the school ranking in the bottom 25% of Wisconsin high schools for these assessments. Tri-County High's four-year graduation rate has fluctuated between 90.4% and 95.1% over the past few years, which is slightly below the state average, and the school has a relatively high chronic absenteeism rate, ranging from 12.7% to 19.5% over the past few years.

Interestingly, Tri-County High's academic performance is significantly lower than that of nearby schools, such as Amherst High, Lincoln High, and Wild Rose High, which all have higher rankings, test scores, and graduation rates. Additionally, Tri-County High spends more per student ($16,461 in 2020-2021) compared to some of the nearby schools, suggesting that the school's low performance is not solely due to a lack of funding.

180
Students ?
11.1
Student/teacher ratio ?
$16,461
Per pupil spending ?
56.7%
Free/discounted lunch ?
 409 S West St
       Plainfield, WI  54966-9608

(715) 335-6366

District: Tri-County Area School District


Feeder schools for Tri-County High:

Elementary:    Tri-County Elementary
Middle:    Tri-County Middle
Racial breakdown:

White:
67.2%
Hispanic:
28.3%
Asian:
2.2%
more
 See top rated Wisconsin high schools

 Compare Tri-County High to nearby high schools!
At a glance
Ranking trend: Declining — 20th percentile in 2015 → 7th in 2025
Strengths
100% graduate in 4 years — above the Wisconsin average (92%)
Small classes — about 11 students per teacher
Worth a look
!Test scores below the Wisconsin average (25% vs 46% meeting standards)
!In the lower quartile statewide (7th percentile)
!Ranking has slipped — down 13 percentile points since 2015
Students meeting standards (2024-2025) ?
This school25%
District avg25%
Wisconsin avg46%
402nd of 431
Wisconsin public high schools ?
Bottom 7%▼ down 13 pts since 2015
From bottom 20% (2015) to bottom 7% (2025)
See the entire ranking list of Wisconsin High Schools →
SchoolDigger rating ?
399th of 426Tri-County Area School District among Wisconsin districts
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankWisconsin percentileRating
20259.3402 of 4316.7%☆☆☆☆☆
202411.1408 of 4315.3%☆☆☆☆☆
202322.9350 of 41515.7%★☆☆☆☆
202217.4353 of 3919.7%☆☆☆☆☆
202120.1334 of 39014.4%★☆☆☆☆
201932.4296 of 40026.0%★☆☆☆☆
201826.4338 of 41017.6%★☆☆☆☆
201726.5333 of 41018.8%★☆☆☆☆
201634.1299 of 40826.7%★☆☆☆☆
201539.4372 of 46620.2%★☆☆☆☆
201424.1411 of 46211.0%★☆☆☆☆
201330.0390 of 45714.7%★☆☆☆☆
201230.0395 of 45212.6%★☆☆☆☆
201148.8318 of 44528.5%★☆☆☆☆
201042.8358 of 45020.4%★☆☆☆☆
200953.1276 of 43837.0%★★☆☆☆
200853.4273 of 43737.5%★★☆☆☆
200546.0222 of 28722.6%★☆☆☆☆

Female

YearAvg scoreStatewide rankWisconsin percentileRating
202511.6332 of 3587.3%☆☆☆☆☆
202424.6289 of 35318.1%★☆☆☆☆
202331.4248 of 32924.6%★☆☆☆☆
202220.8302 of 34312.0%★☆☆☆☆
201926.9272 of 34320.7%★☆☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankWisconsin percentileRating
20259.3318 of 3355.1%☆☆☆☆☆
202416.1291 of 32610.7%★☆☆☆☆
202326.7222 of 27118.1%★☆☆☆☆
201922.5221 of 25112.0%★☆☆☆☆

Male

YearAvg scoreStatewide rankWisconsin percentileRating
20255.2367 of 3803.4%☆☆☆☆☆
202223.6291 of 34716.1%★☆☆☆☆
202114.0316 of 3345.4%☆☆☆☆☆
201925.3290 of 35418.1%★☆☆☆☆
201844.5202 of 37345.8%★★☆☆☆

White

YearAvg scoreStatewide rankWisconsin percentileRating
20254.8275 of 2853.5%☆☆☆☆☆
202329.6202 of 27125.5%★☆☆☆☆
202215.1251 of 2696.7%☆☆☆☆☆
202128.9198 of 26625.6%★☆☆☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
Female (2025)7th percentile~ school
Low Socio Economic Status (2025)5th percentile~ school
White (2025)4th percentile-3 vs school
Male (2025)3rd percentile-3 vs school
By subject vs Wisconsin (2024-2025) ?
English Language Arts29%-19 vs state
Mathematics26%-16 vs state
Social Studies24%-23 vs state
Science21%-23 vs state

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Frequently Asked Questions about Tri-County High

Tri-County High ranks in the bottom 6.7% of Wisconsin high schools.

In the 2024-25 school year, 180 students attended Tri-County High.

Tri-County High is fed by the following schools:

Elementary : Tri-County Elementary
Middle : Tri-County Middle

Students at Tri-County High are 67% White, 28% Hispanic, 2% Asian, 2% Pacific Islander.


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SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Wisconsin Department of Public Instruction.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.





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