Adele Harrison Middle vs Altimira Middle
A head-to-head comparison of two middle schools in California, United States, 4.9 km apart, using official American 2025 data. The better value in each row is highlighted.
Adele Harrison Middle
Sonoma · Public middle · Grades 6–8
334 students
Altimira Middle
Sonoma · Public middle · Grades 6–8
324 students
| Measure | Adele Harrison Middle Sonoma, California | Altimira Middle Sonoma, California |
|---|---|---|
| Success Index (US) | 51 Top 50% | 35 Lower 50% |
| State rank | #407 of 1,334 | #631 of 1,334 |
| National rank | #7489 of 15,369 | #10912 of 15,369 |
| Sector | Public | Public |
| Type | Middle | Middle |
| Year range | Grades 6–8 | Grades 6–8 |
| Students | 334 | 324 |
| Enrollment | 334 | 324 |
| Free/reduced-price lunch | 29.3% | 42.3% |
| Students per teacher | 17.6 | 16.2 |
| Reading proficiency | 51% | 37% |
| Math proficiency | 33% | 20% |
| city | Sonoma | Sonoma |
| state | California | California |
| Website | – | – |
The verdict
- •Adele Harrison Middle scores higher on the Success Index (US) (50.7 vs 34.7).
- •Adele Harrison Middle does better on math proficiency (33% vs 20%).
- •Adele Harrison Middle does better on reading proficiency (51% vs 37%).
- •Adele Harrison Middle does better on community advantage (fewer free/reduced-price lunch) (29.3% vs 42.3%).
- •Altimira Middle does better on students per teacher (16.2 vs 17.6).
- •Adele Harrison Middle is the larger school with 334 students compared with 324.
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 Adele Harrison Middle better than Altimira Middle?
On the Success Index (US), Adele Harrison Middle ranks higher (50.7 vs 34.7 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 Adele Harrison Middle and Altimira Middle?
About 4.9 km in a straight line, between Sonoma and Sonoma in California.
Which has the better Enrollment?
Adele Harrison Middle: 334. Altimira Middle: 324. Students enrolled in the latest NCES directory year.
How do Adele Harrison Middle and Altimira Middle rank in California?
Adele Harrison Middle is 407th of 1,334 and Altimira Middle is 631st of 1,334 among middle schools in California on the 2025 Success Index (US).