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Email BoardEndeavour Middle
43755 45th Street, West, Lancaster, CA 93536-6885
Summary
Endeavour Middle is badly underperforming.
Reading and math results average to the 4th percentile among comparable California schools.
Only 19.1% of students met California's reading standard, but it is holding steady.
Math is weaker: 9.3% of students met California's math standard, but it is trending up slightly.
Proficiency stats
| Current Reading Proficiency | 19.1% |
| Current Math Proficiency | 9.3% |
| Reading State Rank | 1,166/1,204 (3rd percentile) |
| Math State Rank | 1,156/1,204 (4th percentile) |
School information
| Student / Teacher Ratio | 19:1 |
| Student enrollment (2024–25) | 805 |
| Low-Income Students | 658 (81.7%) |
| English Learners | 63 (7.8%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | No |
Test score trends
Reading rose 1.7 points from last year and rose 0.3 points over the full period. Math rose 3.5 points from last year and rose 2.6 points over the full period.
•Math +2.6 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino and White students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 16.7% to 21.9% across the grades shown. Overall, the school’s reading results rank No. 1,166 of 1,204 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 11.2-point reading income gap is narrower than the 19.5-point gap at a typical California 6–8 school. It widened over the period shown.
•English Learners vs English Native
0.0% of English learners meet the reading standard, compared with 18.9% of English-only students. The gap narrowed as English-learner results held steady and English-only results fell.
Math Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino students have the strongest math results at about 33% proficiency. The other reported groups range from about 3% to 24%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 5.7% to 12.6% across the grades shown. Overall, the school’s math results rank No. 1,156 of 1,204 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 7.5-point math income gap is narrower than the 19.2-point gap at a typical California 6–8 school. It narrowed slightly over the period shown.
•English Learners vs English Native
English-learner math proficiency held steady at 0.0%, while English-only results rose. The gap widened.
Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 795 schools for reading and 796 for math. The comparison uses 2026 California 6–8 schools with at least 20 tested students in each income group and a reported low-income student population. Each school counts once. Its gap is non-low-income proficiency minus low-income proficiency, including negative gaps. California state test data
Understanding this school
How does Endeavour Middle compare within the district?
Endeavour Middle is No. 4 in reading and No. 3 in math proficiency among the 5 6–8 schools in Lancaster Elementary with 2026 results.
Explore the district’s schoolsHow does Endeavour Middle rank in California?
Endeavour Middle ranks No. 1,166 of 1,204 in reading and No. 1,156 of 1,204 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Endeavour Middle compare within the district?
Low-income students here rank No. 4 in reading and No. 3 in math among 5 6–8 district schools with reportable 2026 results for this group. 17.1% meet the reading standard and 7.9% meet the math standard.
See results by student groupHow does Endeavour Middle compare with other schools in Lancaster?
Endeavour Middle is No. 5 in reading and No. 4 in math proficiency among the 7 6–8 schools in Lancaster with 2026 results.
Explore schools in LancasterHow does Endeavour Middle compare with other schools in Los Angeles County?
Endeavour Middle is No. 255 in reading and No. 254 in math proficiency among the 258 6–8 schools in Los Angeles County with 2026 results.
Explore schools in Los Angeles CountyWhich schools should I compare?
Schools serving 6–8 in the same district.
| School | Math | Reading |
|---|---|---|
| Endeavour MiddleThis school | 9.3% | 19.1% |
| Amargosa Creek Middle | 11.2% | 27.4% |
| Fulton and Alsbury Academy of Arts and Engineering | 39.9% | 61.1% |
