Green Hills Elementary vs Mills High
A head-to-head comparison of two schools in California, United States, 1.8 km apart, using official American 2025 data. The better value in each row is highlighted.
Green Hills Elementary
Millbrae · Public elementary · Grades K–5
338 students
Mills High
Millbrae · Public high · Grades 9–12
1,115 students
| Measure | Green Hills Elementary Millbrae, California | Mills High Millbrae, California |
|---|---|---|
| Success Index (US) | 79 Top 25% | 73 Top 25% |
| State rank | #350 of 5,693 | #75 of 1,343 |
| National rank | #5726 of 50,301 | #2488 of 16,910 |
| Sector | Public | Public |
| Type | Elementary | High |
| Year range | Grades K–5 | Grades 9–12 |
| Students | 338 | 1,115 |
| Enrollment | 338 | 1,115 |
| Free/reduced-price lunch | 14.8% | 20.3% |
| Students per teacher | 22.5 | 20.6 |
| Reading proficiency | 74% | 75% |
| Math proficiency | 78% | 66% |
| city | Millbrae | Millbrae |
| state | California | California |
| Website | – | – |
The verdict
- •Green Hills Elementary scores higher on the Success Index (US) (78.7 vs 73.4).
- •Green Hills Elementary does better on math proficiency (78% vs 66%).
- •Mills High does better on reading proficiency (75% vs 74%).
- •Green Hills Elementary does better on community advantage (fewer free/reduced-price lunch) (14.8% vs 20.3%).
- •Mills High does better on students per teacher (20.6 vs 22.5).
- •Mills High is the larger school with 1,115 students compared with 338.
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 Green Hills Elementary better than Mills High?
On the Success Index (US), Green Hills Elementary ranks higher (78.7 vs 73.4 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 Green Hills Elementary and Mills High?
About 1.8 km in a straight line, between Millbrae and Millbrae in California.
Which has the better Enrollment?
Green Hills Elementary: 338. Mills High: 1,115. Students enrolled in the latest NCES directory year.
How do Green Hills Elementary and Mills High rank in California?
Green Hills Elementary is 350th of 5,693 and Mills High is 75th of 1,343 among elementary schools in California on the 2025 Success Index (US).