Ducor Union Elementary vs Richard Riordan Primary Center
A head-to-head comparison of two elementary schools in California, United States, 212 km apart, using official American 2025 data. The better value in each row is highlighted.
Ducor Union Elementary
Ducor · Public elementary · Grades K–8
136 students
Richard Riordan Primary Center
Los Angeles · Public elementary · Grades K–5
136 students
| Measure | Ducor Union Elementary Ducor, California | Richard Riordan Primary Center Los Angeles, California |
|---|---|---|
| Success Index (US) | 16 Lower 50% | 32 Lower 50% |
| State rank | #4811 of 5,693 | #3146 of 5,693 |
| National rank | #46954 of 50,301 | #37241 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–8 | Grades K–5 |
| Students | 136 | 136 |
| Enrollment | 136 | 136 |
| Free/reduced-price lunch | 77.2% | 77.9% |
| Students per teacher | 15.1 | 19.4 |
| Reading proficiency | 17% | – |
| Math proficiency | 2.5% | – |
| city | Ducor | Los Angeles |
| state | California | California |
| Website | – | – |
The verdict
- •Richard Riordan Primary Center scores higher on the Success Index (US) (32.0 vs 16.3).
- •Ducor Union Elementary does better on community advantage (fewer free/reduced-price lunch) (77.2% vs 77.9%).
- •Ducor Union Elementary does better on students per teacher (15.1 vs 19.4).
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Ducor Union Elementary better than Richard Riordan Primary Center?
On the Success Index (US), Richard Riordan Primary Center ranks higher (32.0 vs 16.3 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Ducor Union Elementary and Richard Riordan Primary Center?
About 212 km in a straight line, between Ducor and Los Angeles in California.
Which has the better Enrollment?
Ducor Union Elementary: 136. Richard Riordan Primary Center: 136. Students enrolled in the latest NCES directory year.
How do Ducor Union Elementary and Richard Riordan Primary Center rank in California?
Ducor Union Elementary is 4811th of 5,693 and Richard Riordan Primary Center is 3146th of 5,693 among elementary schools in California on the 2025 Success Index (US).