Acalanes High vs Happy Valley Elementary
A head-to-head comparison of two schools in California, United States, 3.9 km apart, using official American 2025 data. The better value in each row is highlighted.
Acalanes High
Lafayette · Public high · Grades 9–12
1,256 students
Happy Valley Elementary
Lafayette · Public elementary · Grades K–5
463 students
| Measure | Acalanes High Lafayette, California | Happy Valley Elementary Lafayette, California |
|---|---|---|
| Success Index (US) | 82 Top 10% | 85 Top 5% |
| State rank | #12 of 1,343 | #46 of 5,693 |
| National rank | #1000 of 16,910 | #2483 of 50,301 |
| Sector | Public | Public |
| Type | High | Elementary |
| Year range | Grades 9–12 | Grades K–5 |
| Students | 1,256 | 463 |
| Enrollment | 1,256 | 463 |
| Free/reduced-price lunch | 7.3% | 3.2% |
| Students per teacher | 19.6 | 23.2 |
| Reading proficiency | 91% | 89% |
| Math proficiency | 73% | 89% |
| city | Lafayette | Lafayette |
| state | California | California |
| Website | – | – |
The verdict
- •Happy Valley Elementary scores higher on the Success Index (US) (84.9 vs 81.9).
- •Happy Valley Elementary does better on math proficiency (89% vs 73%).
- •Acalanes High does better on reading proficiency (91% vs 89%).
- •Happy Valley Elementary does better on community advantage (fewer free/reduced-price lunch) (3.2% vs 7.3%).
- •Acalanes High does better on students per teacher (19.6 vs 23.2).
- •Acalanes High is the larger school with 1,256 students compared with 463.
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 Acalanes High better than Happy Valley Elementary?
On the Success Index (US), Happy Valley Elementary ranks higher (84.9 vs 81.9 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 Acalanes High and Happy Valley Elementary?
About 3.9 km in a straight line, between Lafayette and Lafayette in California.
Which has the better Enrollment?
Acalanes High: 1,256. Happy Valley Elementary: 463. Students enrolled in the latest NCES directory year.
How do Acalanes High and Happy Valley Elementary rank in California?
Acalanes High is 12th of 1,343 and Happy Valley Elementary is 46th of 5,693 among high schools in California on the 2025 Success Index (US).