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Endeavor Charter School

Grades 09–12 · High · Watertown, WI · NCES 551575002981

Charter

At a glance

Reported students

46

NCES CCD 2024–25

Teachers (FTE)

3

NCES CCD 2024–25

Student–teacher ratio

15.3:1

Calculated; not a class-size measure

Grades served

09–12

NCES preliminary directory 2025–26

School benchmarks

Wisconsin high enrollment

13th percentile

Compared with 558 same-level schools reporting enrollment.

District median enrollment

189

Endeavor Charter School: 46 reported students.

State peer staffing position

73rd percentile

15.3:1 reported; state peer median 13.7:1. Ratio is not class size.

Historical enrollment and staffing · CRDC 2021–22

These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.

Students
40
Teachers (FTE)
3
Student–teacher ratio
13.3:1

What the reported data says about Endeavor Charter School

Endeavor Charter School is a public high school serving grades 09–12 in Watertown. It is one of 10 current school records connected to Watertown Unified School District. NCES reports 46 students for 2024–25.

Among 558 high schools in Wisconsin with comparable records, this school is smaller than the reported median of 274 students. Its enrollment is at approximately the 13th percentile for that peer group. Size describes the campus, not instructional quality.

The reported student–teacher ratio is 15.3:1, above the Wisconsin median of 13.7:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.

The largest reported race and ethnicity groups are White (84.8%) and Hispanic or Latino (8.7%). Students served under IDEA represent 5%. These figures help families understand who the school serves; they are not rating inputs.

Questions worth asking Endeavor Charter School

  1. 1How do the reported 15.3:1 student–teacher ratio and 3 teacher FTE translate into actual class sizes by grade?
  2. 2Have the reported academic programs changed since the 2021–22 CRDC collection?
  3. 3What counseling support is available today? The school reported 0 counselor FTE in 2021–22.
  4. 4What meal assistance, transportation, after-school, and family-support services are currently available?
Bring the full school visit checklist →

Enrollment needs

Students with disabilities
5%
Free/reduced-price lunch
37%
Lunch program
Yes participating without using any Provision or the CEO

Reported support staff

Counselors (FTE)
0
Nurses (FTE)
0
Psychologists (FTE)
0
Social workers (FTE)
0

CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.

Student demographics

Race and ethnicity share of reported enrollment

  • White84.8%
  • Hispanic8.7%
  • Black0%
  • Asian0%
  • American Indian / Alaska Native0%
  • Native Hawaiian / Pacific Islander0%
  • Multiracial6.5%

Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.

Programs reported by the school

AP student enrollment

No students enrolled reported

Gifted and talented

Not reported as offered

Computer science

Not reported as offered

CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.

Start with campuses at the same school level or with similar reported enrollment.

View all 10 district schools →

Public schools near Endeavor Charter School

Closest campuses by straight-line distance between NCES geocodes, favoring the same school level. Distance is not drive time or an attendance assignment.

SchoolGradesStudentsDistance
Watertown High

High · Watertown Unified School District

09–121,012under 0.1 mi
Lincoln Elementary

Elementary · Watertown Unified School District

PK–051400.8 mi
eCampus Academy Charter School

Other · Charter · Watertown Unified School District

PK–121321.2 mi
Douglas Elementary

Elementary · Watertown Unified School District

PK–053111.3 mi
Webster Elementary

Elementary · Watertown Unified School District

PK–053811.9 mi
Schurz Elementary

Elementary · Watertown Unified School District

PK–052232 mi
Compare all 10 public schools in Watertown, WI →

Frequently asked questions about Endeavor Charter School

What grades does Endeavor Charter School serve?

Endeavor Charter School reports grades 09–12 in the NCES 2025–26 preliminary directory. It is classified as a high school in Watertown Unified School District.

How many students attend Endeavor Charter School?

Endeavor Charter School reported 46 students in the NCES 2024–25 membership file. That places it near the 13th percentile among 558 Wisconsin high schools reporting enrollment. The 2021–22 civil-rights collection recorded 40 students.

What is the student–teacher ratio at Endeavor Charter School?

The calculated ratio is 15.3:1, based on 46 students and 3 full-time-equivalent classroom teachers in 2024–25. The Wisconsin median for the same school level is 13.7:1. A ratio is not the same as average class size.

Is Endeavor Charter School a public, charter, or magnet school?

Endeavor Charter School is a public school operating as a charter school. Admission can involve an application or lottery, so check enrollment windows with the school.

What share of Endeavor Charter School students qualify for free or reduced-price meals?

37% of students were eligible for free or reduced-price lunch in 2024–25. This describes the students served and is not a quality measure.

Which school district is Endeavor Charter School in?

Endeavor Charter School is part of Watertown Unified School District, based in Watertown, WI, which operates 10 current schools. Confirm attendance zones and enrollment rules with the district.

What public schools are near Endeavor Charter School?

The closest public schools by straight-line distance include Watertown High (under 0.1 mi), Lincoln Elementary (0.8 mi), eCampus Academy Charter School (1.2 mi). Distance does not determine eligibility; attendance boundaries and program rules do.