Best Waukesha County Public Charter Schools (2026)

For the 2026 school year, there are 15 public charter schools serving 2,916 students in Waukesha County, WI. The top-ranked public charter schools in Waukesha County, WI are High School Of Health Sciences, Waukesha Engineering Preparatory Academy and Eagleville Charter School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Waukesha County, WI public charter schools have an average math proficiency score of 44% (versus the Wisconsin public charter school average of 28%), and reading proficiency score of 53% (versus the 32% statewide average). Charter schools in Waukesha County have an average ranking of 9/10, which is in the top 20% of Wisconsin public charter schools.
Minority enrollment is 31% of the student body (majority Hispanic), which is less than the Wisconsin public charter school average of 54% (majority Hispanic and Black).

Best Public Charter Schools in Waukesha County (2026)

School
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
High School Of Health Sciences
Charter School
(Math: 70-79% | Reading: 80-89%)
Rank:
10/
10
Top 5%
349 N Oak Crest Dr
Wales, WI 53183
(262) 968-6200
Gr: 9-12 | 176 students Student-teacher ratio: 20:1 Minority enrollment: 15%
Rank: #22.
Waukesha Engineering Preparatory Academy
Charter School
(Math: 70-79% | Reading: 60-69%)
Rank:
10/
10
Top 5%
401 E Roberta Ave
Waukesha, WI 53186
(262) 970-3880
Gr: 9-12 | 144 students Student-teacher ratio: 48:1 Minority enrollment: 26%
Rank: #33.
Eagleville Charter School
Charter School
(Math: 60-69% | Reading: 70-79%)
Rank:
10/
10
Top 5%
S101w34511 Hwy Lo
Eagle, WI 53119
(262) 363-6258
Gr: K-6 | 95 students Student-teacher ratio: 16:1 Minority enrollment: 14%
Rank: #44.
Kettle Moraine Explore
Charter School
(Math: 60-69% | Reading: 60-69%)
Rank:
10/
10
Top 10%
219 N Oak Crest Dr
Wales, WI 53183
(262) 968-6400
Gr: K-5 | 137 students Student-teacher ratio: 17:1 Minority enrollment: 8%
Rank: #55.
School For Arts And Performance
Charter School
(Math: ≥50% | Reading: ≥80%)
Rank:
9/
10
Top 20%
349 N Oak Crest Dr
Wales, WI 53183
(262) 968-6273
Gr: 9-12 | 114 students Student-teacher ratio: 14:1 Minority enrollment: 14%
Rank: #66.
Waukesha Stem Academy
Charter School
(Math: 63% | Reading: 51%)
Rank:
9/
10
Top 20%
1103 S East Avenue
Waukesha, WI 53186
(262) 970-2305
Gr: K-8 | 580 students Student-teacher ratio: 14:1 Minority enrollment: 30%
Rank: #77.
Lake Country Classical Academy Inc
Charter School
(Math: 51% | Reading: 59%)
Rank:
9/
10
Top 20%
818 W Wisconsin Avenue
Oconomowoc, WI 53066
(262) 254-9049
Gr: K-12 | 562 students Minority enrollment: 14%
Rank: #88.
Adeline Montessori School Inc
Charter School
(Math: 40-49% | Reading: 60-69%)
Rank:
8/
10
Top 30%
995 S Sawyer Rd
Oconomowoc, WI 53066
(262) 201-4492
Gr: PK-8 | 211 students Student-teacher ratio: 11:1 Minority enrollment: 52%
Rank: #99.
Norris Academy Virtual School
Alternative School
Charter School
(Math: <50% | Reading: <50% )
Rank:
8/
10
Top 30%
W247s10395 Center Dr
Mukwonago, WI 53149
(262) 662-5911
Gr: K-12 | 21 students Student-teacher ratio: 7:1 Minority enrollment: 48%
Rank: #1010.
Waukesha Academy Of Health Professions
Charter School
(Math: 20-29% | Reading: 50-59%)
Rank:
6/
10
Top 50%
401 E Roberta Ave
Waukesha, WI 53186
(262) 970-3775
Gr: 9-12 | 112 students Student-teacher ratio: 112:1 Minority enrollment: 39%
Rank: #1111.
Eachieve Elementary School
Charter School
(Math: 40-49% | Reading: 20-29%)
Rank:
4/
10
Bottom 50%
301 Hyde Park Avenue
Waukesha, WI 53188
(262) 970-1069
Gr: PK-5 | 111 students Student-teacher ratio: 19:1 Minority enrollment: 45%
Rank: #1212.
La Casa De Esperanza Charter School
Charter School
(Math: 25-29% | Reading: 15-19%)
Rank:
2/
10
Bottom 50%
410 Arcadian Ave
Waukesha, WI 53186
(262) 547-0887
Gr: PK-8 | 310 students Student-teacher ratio: 16:1 Minority enrollment: 90%
Rank: #1313.
Waukesha East Alternative School
Alternative School
Charter School
(Math: ≤10% | Reading: ≤20%)
Rank:
1/
10
Bottom 50%
1150 Whiterock Ave
Waukesha, WI 53186
(262) 970-4355
Gr: 6-12 | 74 students Student-teacher ratio: 8:1 Minority enrollment: 73%
Rank: n/an/a
Km Connect
Charter School
349 N Oak Crest Dr
Wales, WI 53183
(262) 968-6200
Gr: 6-12 | 35 students Student-teacher ratio: 18:1 Minority enrollment: 23%
Rank: n/an/a
Mill Creek Academy
Charter School
S46w23850 Lawnsdale Rd
Waukesha, WI 53189
(262) 422-6020
Gr: PK-6 | 324 students Student-teacher ratio: 14:1 Minority enrollment: 43%

Frequently Asked Questions

What are the top-ranked public charter schools in Waukesha County, WI?
The top-ranked public charter schools in Waukesha County, WI include High School Of Health Sciences, Waukesha Engineering Preparatory Academy and Eagleville Charter School. Waukesha County has one of the highest concentrations of top-ranked public schools in Wisconsin.
How many public charter schools are located in Waukesha County?
16 public charter schools are located in Waukesha County.
What is the racial composition of students in Waukesha County?
Waukesha County public charter schools minority enrollment is 31% of the student body (majority Hispanic), which is less than the Wisconsin public charter schools average of 54% (majority Hispanic and Black).
Which public charter schools in Waukesha County are often viewed compared to one another?

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