Advance U vs C O Greenfield School
A head-to-head comparison of two elementary schools in Arizona, United States, 1.5 km apart, using official American 2025 data. The better value in each row is highlighted.
Advance U
Phoenix · Charter elementary · Grades K–4
72 students
C O Greenfield School
Phoenix · Public elementary · Grades K–8
453 students
| Measure | Advance U Phoenix, Arizona | C O Greenfield School Phoenix, Arizona |
|---|---|---|
| Success Index (US) | 22 Lower 50% | 14 Lower 50% |
| State rank | #867 of 1,136 | #1030 of 1,136 |
| National rank | #43624 of 50,301 | #48164 of 50,301 |
| Sector | Charter | Public |
| Type | Elementary | Elementary |
| Year range | Grades K–4 | Grades K–8 |
| Students | 72 | 453 |
| Enrollment | 72 | 453 |
| Free/reduced-price lunch | – | – |
| Students per teacher | 9.0 | 20.6 |
| Reading proficiency | 24.5% | 25% |
| Math proficiency | 24.5% | 27% |
| city | Phoenix | Phoenix |
| state | Arizona | Arizona |
| Website | – | – |
The verdict
- •Advance U scores higher on the Success Index (US) (21.9 vs 13.8).
- •C O Greenfield School does better on math proficiency (27% vs 24.5%).
- •C O Greenfield School does better on reading proficiency (25% vs 24.5%).
- •Advance U does better on students per teacher (9.0 vs 20.6).
- •C O Greenfield School is the larger school with 453 students compared with 72.
- •Advance U is a charter school while C O Greenfield School is a public school, so fees and admission rules differ.
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 Advance U better than C O Greenfield School?
On the Success Index (US), Advance U ranks higher (21.9 vs 13.8 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 Advance U and C O Greenfield School?
About 1.5 km in a straight line, between Phoenix and Phoenix in Arizona.
Which has the better Enrollment?
Advance U: 72. C O Greenfield School: 453. Students enrolled in the latest NCES directory year.
How do Advance U and C O Greenfield School rank in Arizona?
Advance U is 867th of 1,136 and C O Greenfield School is 1030th of 1,136 among elementary schools in Arizona on the 2025 Success Index (US).