Arroyo Elementary vs Marshall Middle
A head-to-head comparison of two schools in California, United States, 412 m apart, using official American 2025 data. The better value in each row is highlighted.
Arroyo Elementary
Pomona · Public elementary · Grades K–6
479 students
Marshall Middle
Pomona · Public middle · Grades 6–8
249 students
| Measure | Arroyo Elementary Pomona, California | Marshall Middle Pomona, California |
|---|---|---|
| Success Index (US) | 13 Lower 50% | 23 Lower 50% |
| State rank | #5242 of 5,693 | #892 of 1,334 |
| National rank | #48621 of 50,301 | #13327 of 15,369 |
| Sector | Public | Public |
| Type | Elementary | Middle |
| Year range | Grades K–6 | Grades 6–8 |
| Students | 479 | 249 |
| Enrollment | 479 | 249 |
| Free/reduced-price lunch | 93.9% | 96.4% |
| Students per teacher | 21.8 | 15.6 |
| Reading proficiency | 28% | 40% |
| Math proficiency | 22% | 18% |
| city | Pomona | Pomona |
| state | California | California |
| Website | – | – |
The verdict
- •Marshall Middle scores higher on the Success Index (US) (22.5 vs 12.6).
- •Arroyo Elementary does better on math proficiency (22% vs 18%).
- •Marshall Middle does better on reading proficiency (40% vs 28%).
- •Arroyo Elementary does better on community advantage (fewer free/reduced-price lunch) (93.9% vs 96.4%).
- •Marshall Middle does better on students per teacher (15.6 vs 21.8).
- •Arroyo Elementary is the larger school with 479 students compared with 249.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Frequently asked questions
Is Arroyo Elementary better than Marshall Middle?
On the Success Index (US), Marshall Middle ranks higher (22.5 vs 12.6 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 Arroyo Elementary and Marshall Middle?
About 412 m in a straight line, between Pomona and Pomona in California.
Which has the better Enrollment?
Arroyo Elementary: 479. Marshall Middle: 249. Students enrolled in the latest NCES directory year.
How do Arroyo Elementary and Marshall Middle rank in California?
Arroyo Elementary is 5242nd of 5,693 and Marshall Middle is 892nd of 1,334 among elementary schools in California on the 2025 Success Index (US).