For the 2026-27 school year, there are 2 public charter schools serving 178 students in Watertown, WI.
Watertown, WI public charter schools have an average math proficiency score of 26% (versus the Wisconsin public charter school average of 28%).
Minority enrollment is 22% 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 Watertown, WI (2026-27)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Endeavor Charter School
Charter School
(Math: <50% | Reading: <50% )
Rank:
Rank:
9/
Top 20%10
825 Endeavour Dr
Watertown, WI 53098
(920) 262-7500
Watertown, WI 53098
(920) 262-7500
Gr: 9-12 | 46 students Student-teacher ratio: 15:1 Minority enrollment: 15%
Rank: n/an/a
Ecampus Academy Charter School
Charter School
111 Dodge Street
Watertown, WI 53094
(920) 262-1420
Watertown, WI 53094
(920) 262-1420
Gr: PK-12 | 132 students Student-teacher ratio: 17:1 Minority enrollment: 24%
Frequently Asked Questions
What are the top-ranked public charter schools in Watertown, WI?
The top-ranked public charter schools in Watertown, WI include Endeavor Charter School.
How many public charter schools are located in Watertown?
2 public charter schools are located in Watertown.
What is the racial composition of students in Watertown?
Watertown public charter schools minority enrollment is 22% 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 a Public School Cancels a Course Your Child Needs
Learn what parents can do when public schools cancel essential courses, including protecting graduation credits, finding approved alternatives, requesting substitutions, and preventing disruptions to college or career plans before deadlines.
Verify School Assignment Before Buying a House
Before buying a house, learn how to verify your child's assigned public school, check conflicting property listings, confirm enrollment eligibility, and avoid costly school assignment surprises before closing on a property.
School Bus Commute Times: What Parents Should Know
Discover how long school bus commutes really take, why routes vary, and what parents should ask about pickup times, student fatigue, transportation reliability, and daily schedules before choosing schools.