For the 2026 school year, there are 5 public charter schools serving 1,220 students in 53186, WI.
The top-ranked public charter schools in 53186, WI are Waukesha Engineering Preparatory Academy, Waukesha Stem Academy and Waukesha Academy Of Health Professions. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Public charter schools in zipcode 53186 have an average math proficiency score of 54% (versus the Wisconsin public charter school average of 28%), and reading proficiency score of 47% (versus the 32% statewide average). Charter schools in 53186, WI have an average ranking of 8/10, which is in the top 30% of Wisconsin public charter schools.
Minority enrollment is 48% of the student body (majority Hispanic), which is less than the Wisconsin public charter school average of 54% (majority Hispanic and Black).
Best 53186, WI Public Charter Schools (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Waukesha Engineering Preparatory Academy
Charter School
(Math: 70-79% | Reading: 60-69%)
Rank:
Rank:
10/
Top 5%10
401 E Roberta Ave
Waukesha, WI 53186
(262) 970-3880
Waukesha, WI 53186
(262) 970-3880
Gr: 9-12 | 144 students Student-teacher ratio: 48:1 Minority enrollment: 26%
Rank: #22.
Waukesha Stem Academy
Charter School
(Math: 63% | Reading: 51%)
Rank:
Rank:
9/
Top 20%10
1103 S East Avenue
Waukesha, WI 53186
(262) 970-2305
Waukesha, WI 53186
(262) 970-2305
Gr: K-8 | 580 students Student-teacher ratio: 14:1 Minority enrollment: 30%
Rank: #33.
Waukesha Academy Of Health Professions
Charter School
(Math: 20-29% | Reading: 50-59%)
Rank:
Rank:
6/
Top 50%10
401 E Roberta Ave
Waukesha, WI 53186
(262) 970-3775
Waukesha, WI 53186
(262) 970-3775
Gr: 9-12 | 112 students Student-teacher ratio: 112:1 Minority enrollment: 39%
Rank: #44.
La Casa De Esperanza Charter School
Charter School
(Math: 25-29% | Reading: 15-19%)
Rank:
Rank:
2/
Bottom 50%10
410 Arcadian Ave
Waukesha, WI 53186
(262) 547-0887
Waukesha, WI 53186
(262) 547-0887
Gr: PK-8 | 310 students Student-teacher ratio: 16:1 Minority enrollment: 90%
Rank: #55.
Waukesha East Alternative School
Alternative School
Charter School
Charter School
(Math: ≤10% | Reading: ≤20%)
Rank:
Rank:
1/
Bottom 50%10
1150 Whiterock Ave
Waukesha, WI 53186
(262) 970-4355
Waukesha, WI 53186
(262) 970-4355
Gr: 6-12 | 74 students Student-teacher ratio: 8:1 Minority enrollment: 73%
Frequently Asked Questions
What are the top-ranked public charter schools in 53186, WI?
The top-ranked public charter schools in 53186, WI include Waukesha Engineering Preparatory Academy, Waukesha Stem Academy and Waukesha Academy Of Health Professions.
How many public charter schools are located in 53186?
5 public charter schools are located in 53186.
What is the racial composition of students in 53186?
53186 public charter schools minority enrollment is 48% of the student body (majority Hispanic), which is less than the Wisconsin public charter schools average of 54% (majority Hispanic and Black).
Recent Articles
When “Free Public School” Still Isn’t Free
Discover the hidden costs of public school in 2026, from supplies and fees to transportation, technology, and extracurricular expenses.
What a District Budget Cut Means for Your Child's School Experience
Learn how district budget cuts can affect class sizes, programs, staffing, transportation, and your child's daily school experience in 2026.
School Closure Risk: What Parents Should Check Before Moving
Learn how parents can assess school closure risk before buying or renting in a district, using enrollment, funding, and boundary data.