Middle school (grades 6-8) · Lancaster, CA

Endeavour Middle

Federal NCES profile for Endeavour Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.

2024-25 NCES dataMiddle school (grades 6-8)NCES 062088010826
0/100100/10033/100
👥 S:T ratio
15
🌟 Gifted program
70
🎓 Counselors
46
📋 Attendance
0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

The verdict

Endeavour Middle earns 33/100 on the Resource Investment Index, with class sizes near the California median.

#2 of 7
middle schools in Lancaster · Resource Index
33
Resource Index · Typical
21.2:1
students per teacher
67.5%
free-lunch eligible

Endeavour Middle has class sizes near the California median. Computed live against every California school reporting to NCES.

By Resource Investment Index, Endeavour Middle ranks #2 of 7 middle schools in Lancaster, CA.

Enrollment

805

California · 2024-25 NCES data

Teachers (FTE)

38.0

Federal CCD staff survey

Students per teacher

21.2:1

vs 21.5:1 California avg

-1% vs state

Free-lunch eligible

67.5%

vs 55.5% California avg

+22% vs state

Student-teacher ratio in context

How Endeavour Middle compares with California and U.S. medians

At or below state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Endeavour Middle

Endeavour Middle is a higher-need, mid-sized middle school in Lancaster, California, enrolling 805 students.

At 21.2:1, its student-teacher ratio sits close to the California median, within a few percentage points of the 21.5:1 state norm, neither notably crowded nor notably small.

Economic need runs somewhat above the state's typical profile, with 67.5% of students eligible for free meals.

Enrollment of 805 puts it in the larger third of California schools by headcount.

Its Resource Investment Index sits near the middle of the pack among 9,998 scored California schools.

Against 1,550 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #278.

Its student body is led by Hispanic or Latino (51%) and African American (28%) (diversity index 64/100).

Counselor coverage runs a bit thin, about 268 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.

Chronic absenteeism is elevated: 47.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).

Its district draws 19.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.

The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.

Among Lancaster's middle schools, it stands alongside Amargosa Creek Middle (859 students): Endeavour Middle is smaller than that campus by headcount and runs heavier classes (21.2:1 vs 18.3:1).

Lancaster Elementary also operates Amargosa Creek Middle (859 students) and New Vista Middle (835 students) alongside Endeavour Middle.

Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.

Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25

How Endeavour Middle compares

Endeavour Middle on the metrics families compare, against California and U.S. means.

Metric This school vs California California avg U.S. avg
Students per teacher 21.2:1 ▼ 1% 21.5:1 15.7:1
Free-lunch eligible 67.5% ▲ 22% 55.5% 51.7%
Enrollment 805 top 17% - -

Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25

21.2:1
Leaner classes than 12% of US schools, heavier class loads than most.
805
Bigger than 86% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
67.5%
free-lunch eligible - 22% above the California average of 55.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
21.2:1
students per teacher - 1% below state mean
Top 45% in California - lower ratio than 55% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
47.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$16,048
per pupil, district-wide - below California avg of $16,509
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors3.0 FTE
Per 268 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 156 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 19.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.

Overview

  • Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
  • Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
  • F-33 School District Finance Survey: the district-wide per-pupil spending figures below.

Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.

Student demographics

Hispanic or Latino 51.0%
African American 28.0%
White 11.7%
Two or More 5.2%
Asian 3.4%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.1%

Largest group: Hispanic or Latino at 51.0% of enrollment.

Student-body diversity index 64.4/100

Simpson diversity index - at 64.4, Endeavour Middle is more mixed than the California school average of 46.0.

Programs

Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Lancaster Elementary, which includes Endeavour Middle.

$16,048
Per student
-3%
vs California
Avg $16,509
-3%
vs U.S.
Avg $16,593
Revenue mix
Local 16.4%
State 64.4%
Federal 19.3%

Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.

How Endeavour Middle Compares to District-Mates

School Enrollment Economic Profile Student-Teacher Ratio
Amargosa Creek Middle Similar size Similar economic need Lower S:T ratio
New Vista Middle Similar size Higher economic need Similar S:T ratio
Monte Vista Elementary Similar size Higher economic need Higher S:T ratio
El Dorado Elementary Similar size Higher economic need Higher S:T ratio
West Wind Elementary Similar size Similar economic need Higher S:T ratio

Comparisons are relative to Endeavour Middle's own figures; each column derives from NCES Common Core of Data.

Other Schools in This District

Lancaster Elementary · 5 sibling schools

View district profile

Similar middle schools in Lancaster

6 comparable middle schools (grades 6-8) serving the same city.

Similar middle schools statewide

Matched by enrollment size and by staffing ratio across all of California, not just this city - a different peer set than the local comparisons above.

Next steps

Verify locally before acting on Endeavour Middle's federal record.

Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.

Frequently asked questions about Endeavour Middle

How many students attend Endeavour Middle?

Endeavour Middle has 805 students enrolled. It is a middle school in Lancaster, CA.

What is the student-teacher ratio at Endeavour Middle?

The student-teacher ratio at Endeavour Middle is 21.2:1, which is 1% lower than the California average of 21.5:1 and 35% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.

What percentage of students receive free lunch at Endeavour Middle?

67.5% of students at Endeavour Middle are eligible for free lunch, compared to the California average of 55.5%.

What is the racial and ethnic makeup of Endeavour Middle?

The largest demographic group at Endeavour Middle is Hispanic or Latino at 51.0% of enrollment, in Lancaster, CA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 64.4/100.

What is the Resource Investment Index for Endeavour Middle?

Endeavour Middle has a Resource Investment Index of 33/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).

How does Endeavour Middle rank among middle schools in Lancaster?

By Resource Investment Index, Endeavour Middle ranks #2 of 7 middle schools in Lancaster, CA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all middle schools in Lancaster on the city page.

Is Endeavour Middle a good school?

Endeavour Middle earns 33/100 on the Resource Investment Index, with class sizes near the California median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.

What other schools are in Lancaster Elementary?

Besides Endeavour Middle, Lancaster Elementary also operates Amargosa Creek Middle (859 students), New Vista Middle (835 students), and Monte Vista Elementary (788 students). See the Lancaster Elementary district page for the complete list.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.