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Email BoardRancho Dominguez Preparatory
4110 Santa Fe Avenue, Long Beach, CA 90810-1439
Summary
Rancho Dominguez Preparatory is underperforming.
Reading and math results average to the 42nd percentile among comparable California schools.
Only 43.4% of students met California's reading standard, but it is slowly trending up.
Math is weaker: 20.9% of students met California's math standard, and it is trending down slightly.
Proficiency stats
| Current Reading Proficiency | 43.4% |
| Current Math Proficiency | 20.9% |
| Reading State Rank | 841/1,734 (52nd percentile) |
| Math State Rank | 1,184/1,735 (32nd percentile) |
School information
| Student / Teacher Ratio | 17:1 |
| Student enrollment (2024–25) | 701 |
| Low-Income Students | 635 (90.6%) |
| English Learners | 51 (7.3%) |
School Website
Great Schools
Niche
Ed-Data
CAASPP| Admissions | Open enrollment |
|---|---|
| Charter school | No |
| Magnet school | Yes |
Test score trends
Reading rose 3.4 points from last year and rose 3.2 points over the full period. Math fell 1.1 points from last year and fell 1.0 points over the full period.
•Math -1.0 percentage points (2024–2026)Reading Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino and Hispanic or Latino students have the strongest results.
Distribution of Scores by Grade
The share meeting the reading standard ranges from 38.2% to 49.3% across the grades shown. Overall, the school’s reading results rank in the top 49% among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
Low-income students are 1.9 points ahead in reading. It narrowed over the period shown.
•English Learners vs English Native
18.8% of English learners meet the reading standard, compared with 44.7% of English-only students. The gap narrowed as English-learner results rose and English-only results rose.
•Math Proficiency Scores
2026 state test results
Race and Ethnicity
Filipino students have the strongest math results at about 73% proficiency. The other reported groups range from about 16% to 26%.
Distribution of Scores by Grade
The share meeting the math standard ranges from 16.7% to 24.3% across the grades shown. Overall, the school’s math results rank No. 1,184 of 1,735 among California schools in the same grade-level category.
Low-Income vs Non-Low-Income
The 1.5-point math income gap is narrower than the 9.4-point gap at a typical California 6–12 school. It narrowed over the period shown.
•English Learners vs English Native
5.3% of English learners meet the math standard, compared with 21.3% of English-only students. The gap narrowed as English-learner results rose and English-only results fell.
•Progress as students move up
2023–2026
How we compare income gaps
“Typical” means the median gap across 67 schools for reading and 66 for math. The comparison uses 2026 California 6–12 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 Rancho Dominguez Preparatory compare within the district?
Rancho Dominguez Preparatory is No. 16 in reading and No. 21 in math proficiency among the 27 6–12 schools in Los Angeles Unified with 2026 results.
Explore the district’s schoolsHow does Rancho Dominguez Preparatory rank in California?
Rancho Dominguez Preparatory ranks No. 841 of 1,734 in reading and No. 1,184 of 1,735 in math for 2026. These proficiency rankings compare California schools in the same grade-level category.
How do low-income students at Rancho Dominguez Preparatory compare within the district?
Low-income students here rank No. 15 in reading and No. 20 in math among 26 6–12 district schools with reportable 2026 results for this group. 43.6% meet the reading standard and 20.7% meet the math standard.
See results by student groupHow does Rancho Dominguez Preparatory compare with other schools in Los Angeles County?
Rancho Dominguez Preparatory is No. 20 in reading and No. 25 in math proficiency among the 35 6–12 schools in Los Angeles County with 2026 results.
Explore schools in Los Angeles CountyWhich schools should I compare?
Schools serving 6–12 in the same district.
| School | Math | Reading |
|---|---|---|
| Rancho Dominguez PreparatoryThis school | 20.9% | 43.4% |
| Alliance Gertz-Ressler Richard Merkin 6-12 Complex | 42.9% | 64.4% |
| Alliance Marine - Innovation and Technology 6-12 C | 54.4% | 61.7% |
