- Enrollment
- 1,012
- Students per teacher
- 14.7:1
- Resource Index
- 48/100
High school (grades 9-12) · Watertown, WI
Endeavor Charter School
Federal NCES profile for Endeavor Charter School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 551575002981Charter school
👥 S:T ratio 39
🌟 Gifted program 30
📋 Attendance 57
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Endeavor Charter School earns 42/100 on the Resource Investment Index, with class sizes larger than 75% of Wisconsin schools.
- #8 of 10
- public schools in Watertown · Resource Index
- 42
- Resource Index · Typical
- 15.3:1
- large classes for Wisconsin
- 18.6%
- free-lunch eligible
Endeavor Charter School has class sizes larger than 75% of Wisconsin schools. Computed live against every Wisconsin school reporting to NCES.
By Resource Investment Index, Endeavor Charter School ranks #8 of 10 public schools in Watertown, WI.
School address
District: Watertown Unified School District · Wisconsin
NCES ID 551575002981 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+9 students YoY
Endeavor Charter School grew from 43 students in 2022-23 to 52 in 2023-24 (+20.9%).
Teacher FTE held 3.0 → 3.0 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Growing CCD campus
+9 students YoY 551575002981 · Watertown, WI High · SMALL · CHARTER
46 enr · 15.3:1 · 18.6% lunch · RII 42
Nearest enrollment peer: Watertown High (1,012 students)
Endeavor Charter School grew from 43 students in 2022-23 to 52 in 2023-24 (+20.9%). Teacher FTE held 3.0 → 3.0 across the same CCD years. Read with this school → · District book → · Wisconsin schools → · Find another →
Endeavor Charter School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Watertown High
Watertown High
1,012 students
- Riverside Midd
Riverside Middle
616 students
- Webster Elemen 381
Webster Elementary
381 students
- Douglas Elemen 311
Douglas Elementary
311 students
- Schurz Element 223
Schurz Elementary
223 students
- This school 46
Endeavor Charter School
46 students
What this shows Endeavor Charter School reports 46 students on the CCD universe file.
How Endeavor Charter School compares
Endeavor Charter School is a growing campus on CCD: ratios and free-lunch share vs Wisconsin and U.S. means.
| Metric | This school | vs Wisconsin | Wisconsin avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.3:1 | ▲ 6% | 14.4:1 | 15.7:1 |
| Free-lunch eligible | 18.6% | ▼ 52% | 38.5% | 51.7% |
| Enrollment | 46 | top 94% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.3:1
Leaner classes than 44% of US schools, a middle-of-the-pack class size.
46
Bigger than 5% of US schools by enrollment, a small campus.
Equity indicators methodology
Economic need
18.6%
free-lunch eligible
- 52% below the Wisconsin average of 38.5%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
15.3:1
students per teacher
- 6% above state mean
Top 75% in Wisconsin - lower ratio than 25% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
17.4%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$14,825
per pupil, district-wide
- below Wisconsin avg of $15,645
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors0.0 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
1
in-school suspensions + 1 out-of-school
Suspension rate: 2.2 per 100 students. Combined in-school and out-of-school rate: 4.3 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
Student demographics
White 84.8%
Hispanic or Latino 8.7%
Two or More 6.5%
Largest group: White at 84.8% of enrollment.
Student-body diversity index 26.9/100
Simpson diversity index - at 26.9, Endeavor Charter School is less mixed than the Wisconsin school average of 35.7.
Programs
AP program Not offered
District finance for Watertown Unified School District reports $14,825 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Endeavor Charter School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Watertown High | Larger | Higher economic need | Similar S:T ratio |
| Riverside Middle | Larger | Higher economic need | Lower S:T ratio |
| Webster Elementary | Larger | Higher economic need | Similar S:T ratio |
| Douglas Elementary | Larger | Higher economic need | Lower S:T ratio |
| Schurz Elementary | Larger | Higher economic need | Lower S:T ratio |
Comparisons are relative to Endeavor Charter School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 616
- Students per teacher
- 12.6:1
- Resource Index
- 50/100
- Enrollment
- 381
- Students per teacher
- 14.1:1
- Resource Index
- 62/100
- Enrollment
- 311
- Students per teacher
- 11.5:1
- Resource Index
- 57/100
- Enrollment
- 223
- Students per teacher
- 10.1:1
- Resource Index
- 60/100
Similar high schools in Watertown
1 comparable high schools (grades 9-12) serving the same city.
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~46 students)
Similar student-teacher ratio (~15.3:1)
Frequently asked questions about Endeavor Charter School
How many students attend Endeavor Charter School?
Endeavor Charter School has 46 students enrolled. It is a high school in Watertown, WI. CCD year-over-year: 43 (2022-23) → 52 (2023-24), up 9.
What is the student-teacher ratio at Endeavor Charter School?
The student-teacher ratio at Endeavor Charter School is 15.3:1, which is 6% higher than the Wisconsin average of 14.4:1 and 3% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Endeavor Charter School?
18.6% of students at Endeavor Charter School are eligible for free lunch, compared to the Wisconsin average of 38.5%.
What is the racial and ethnic makeup of Endeavor Charter School?
The largest demographic group at Endeavor Charter School is White at 84.8% of enrollment, in Watertown, WI.
What is the Resource Investment Index for Endeavor Charter School?
Endeavor Charter School has a Resource Investment Index of 42/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, gifted-program reporting, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Endeavor Charter School rank among public schools in Watertown?
By Resource Investment Index, Endeavor Charter School ranks #8 of 10 public schools in Watertown, WI. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Watertown on the city page.
What other schools are in Watertown Unified School District?
Besides Endeavor Charter School, Watertown Unified School District also operates Watertown High (1,012 students), Riverside Middle (616 students), and Webster Elementary (381 students). See the Watertown Unified School District district page for the complete list.