Endeavor Charter School
🇺🇸 Official data · 2025Watertown, Wisconsin 53098 · Watertown Unified School District
About Endeavor Charter School
Endeavor Charter School is a charter high located in Watertown, in the Watertown Unified School District school district of Wisconsin, United States. It caters for Grades 9–12. In 2025 it enrolled 46 students. Publicly funded charter schools operating under a performance contract; free to attend.
Its Success Index (US) is 56.8 out of 100, placing it in the top 50% of high schools in United States. Its strongest component is reading proficiency (80th percentile), and its weakest is math proficiency (25th percentile).
Other published figures: enrollment 46.
There are 10 schools in Watertown; Endeavor Charter School ranks 2nd of 8 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)24.5%
- Reading proficiency (30%)75%
- Community advantage (fewer free/reduced-price lunch) (25%)37%
- Students per teacher (15%)15.3
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Endeavor Charter School by the official sources.
- Enrollment
- 46
- Students enrolled in the latest NCES directory year.
- Free/reduced-price lunch
- 37%
- Share of students eligible for free or reduced-price lunch.
- Students per teacher
- 15.3
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 75%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 24.5%
- Share of tested students proficient or above (all students, all grades).
Free academic assessment
Is your child on grade level in reading and math?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near Endeavor Charter School
Closest schools by straight-line distance, with their Success Index (US).
Watertown High
Watertown · Public high · Grades 9–12
1,012 students · 0 m away
Lincoln Elementary
Watertown · Public elementary · Grades K–5
140 students · 1.3 km away
eCampus Academy Charter School
Watertown · Charter other · Grades PK–12
132 students · 2.0 km away
Douglas Elementary
Watertown · Public elementary · Grades K–5
311 students · 2.0 km away
Webster Elementary
Watertown · Public elementary · Grades PK–5
381 students · 3.0 km away
Schurz Elementary
Watertown · Public elementary · Grades K–5
223 students · 3.2 km away
Watertown 4 Kids
Watertown · Public other · Grades PK–PK
155 students · 3.2 km away
Riverside Middle
Watertown · Public middle · Grades 6–8
616 students · 3.3 km away
LEAP Elementary
Watertown · Public elementary · Grades PK–5
60 students · 9.4 km away
Ixonia Elementary
Ixonia · Public elementary · Grades PK–4
256 students · 13 km away
Similar schools
Charter high schools in Wisconsin with a comparable Enrollment.
Anthony Acres School
Mondovi · Charter high · Grades 6–12
48 students
Northern Waters Environmental School
Hayward · Charter high · Grades 6–12
43 students
Renaissance Charter Academy
River Falls · Charter high · Grades 9–12
49 students
Laurel High
Viroqua · Charter high · Grades 9–12
43 students
Algoma Venture Academy
Algoma · Charter high · Grades 7–12
35 students
Central Sands Community High School
Amherst · Charter high · Grades 9–12
35 students
Frequently asked questions
Is Endeavor Charter School a good school?
Endeavor Charter School has a Success Index (US) of 56.8 out of 100 (Top 50% of high schools in United States). The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Endeavor Charter School rank in Wisconsin?
Endeavor Charter School is not ranked: schools need a published Enrollment and at least 60 students to be ranked.
How many students attend Endeavor Charter School?
Endeavor Charter School had 46 students in 2025.
Is Endeavor Charter School a elementary school or a high school?
Endeavor Charter School is classified as a high covering Grades 9–12. It is a charter school.
What other schools are near Endeavor Charter School?
There are 10 schools within 15 km of Endeavor Charter School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.