Emerald High vs Harold William Kolb
A head-to-head comparison of two schools in California, United States, 695 m apart, using official American 2025 data. The better value in each row is highlighted.
Emerald High
Dublin · Public high · Grades 9–12
900 students
Harold William Kolb
Dublin · Public elementary · Grades K–5
696 students
| Measure | Emerald High Dublin, California | Harold William Kolb Dublin, California |
|---|---|---|
| Success Index (US) | 65 Top 50% | 82 Top 10% |
| State rank | #173 of 1,343 | #163 of 5,693 |
| National rank | #4619 of 16,910 | #3838 of 50,301 |
| Sector | Public | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades K–5 |
| Students | 900 | 696 |
| Enrollment | 900 | 696 |
| Free/reduced-price lunch | 12.2% | 15.4% |
| Students per teacher | 22.0 | 26.8 |
| Reading proficiency | – | 87% |
| Math proficiency | – | 87% |
| city | Dublin | Dublin |
| state | California | California |
| Website | – | – |
The verdict
- •Harold William Kolb scores higher on the Success Index (US) (82.1 vs 64.6).
- •Emerald High does better on community advantage (fewer free/reduced-price lunch) (12.2% vs 15.4%).
- •Emerald High does better on students per teacher (22.0 vs 26.8).
- •Emerald High is the larger school with 900 students compared with 696.
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 Emerald High better than Harold William Kolb?
On the Success Index (US), Harold William Kolb ranks higher (82.1 vs 64.6 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 Emerald High and Harold William Kolb?
About 695 m in a straight line, between Dublin and Dublin in California.
Which has the better Enrollment?
Emerald High: 900. Harold William Kolb: 696. Students enrolled in the latest NCES directory year.
How do Emerald High and Harold William Kolb rank in California?
Emerald High is 173rd of 1,343 and Harold William Kolb is 163rd of 5,693 among high schools in California on the 2025 Success Index (US).