Channel Islands High vs Charles Blackstock Junior High
A head-to-head comparison of two schools in California, United States, 1.1 km apart, using official American 2025 data. The better value in each row is highlighted.
Channel Islands High
Oxnard · Public high · Grades 9–12
2,380 students
Charles Blackstock Junior High
Oxnard · Public middle · Grades 6–8
1,239 students
| Measure | Channel Islands High Oxnard, California | Charles Blackstock Junior High Oxnard, California |
|---|---|---|
| Success Index (US) | 18 Lower 50% | 12 Lower 50% |
| State rank | #1180 of 1,343 | #1216 of 1,334 |
| National rank | #15682 of 16,910 | #14901 of 15,369 |
| Sector | Public | Public |
| Type | High | Middle |
| Year range | Grades 9–12 | Grades 6–8 |
| Students | 2,380 | 1,239 |
| Enrollment | 2,380 | 1,239 |
| Free/reduced-price lunch | 88.3% | 89.6% |
| Students per teacher | 25.3 | 21.4 |
| Reading proficiency | 39% | 30% |
| Math proficiency | 18% | 13% |
| city | Oxnard | Oxnard |
| state | California | California |
| Website | – | – |
The verdict
- •Channel Islands High scores higher on the Success Index (US) (17.5 vs 12.0).
- •Channel Islands High does better on math proficiency (18% vs 13%).
- •Channel Islands High does better on reading proficiency (39% vs 30%).
- •Channel Islands High does better on community advantage (fewer free/reduced-price lunch) (88.3% vs 89.6%).
- •Charles Blackstock Junior High does better on students per teacher (21.4 vs 25.3).
- •Channel Islands High is the larger school with 2,380 students compared with 1,239.
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 Channel Islands High better than Charles Blackstock Junior High?
On the Success Index (US), Channel Islands High ranks higher (17.5 vs 12.0 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 Channel Islands High and Charles Blackstock Junior High?
About 1.1 km in a straight line, between Oxnard and Oxnard in California.
Which has the better Enrollment?
Channel Islands High: 2,380. Charles Blackstock Junior High: 1,239. Students enrolled in the latest NCES directory year.
How do Channel Islands High and Charles Blackstock Junior High rank in California?
Channel Islands High is 1180th of 1,343 and Charles Blackstock Junior High is 1216th of 1,334 among high schools in California on the 2025 Success Index (US).