Centennial Middle School vs Rock Springs Junior High
A head-to-head comparison of two middle schools in Wyoming, United States, 283 km apart, using official American 2025 data. The better value in each row is highlighted.
Centennial Middle School
Casper · Public middle · Grades 6–8
755 students
Rock Springs Junior High
Rock Springs · Public middle · Grades 7–8
746 students
| Measure | Centennial Middle School Casper, Wyoming | Rock Springs Junior High Rock Springs, Wyoming |
|---|---|---|
| Success Index (US) | 65 Top 50% | 61 Top 50% |
| State rank | #30 of 50 | #33 of 50 |
| National rank | #4333 of 15,369 | #5298 of 15,369 |
| Sector | Public | Public |
| Type | Middle | Middle |
| Year range | Grades 6–8 | Grades 7–8 |
| Students | 755 | 746 |
| Enrollment | 755 | 746 |
| Free/reduced-price lunch | 35.1% | 47.3% |
| Students per teacher | 14.8 | 15.5 |
| Reading proficiency | 60% | 58% |
| Math proficiency | 47% | 50% |
| city | Casper | Rock Springs |
| state | Wyoming | Wyoming |
| Website | – | – |
The verdict
- •Centennial Middle School scores higher on the Success Index (US) (65.2 vs 60.9).
- •Rock Springs Junior High does better on math proficiency (50% vs 47%).
- •Centennial Middle School does better on reading proficiency (60% vs 58%).
- •Centennial Middle School does better on community advantage (fewer free/reduced-price lunch) (35.1% vs 47.3%).
- •Centennial Middle School does better on students per teacher (14.8 vs 15.5).
- •Centennial Middle School is the larger school with 755 students compared with 746.
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 Centennial Middle School better than Rock Springs Junior High?
On the Success Index (US), Centennial Middle School ranks higher (65.2 vs 60.9 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 Centennial Middle School and Rock Springs Junior High?
About 283 km in a straight line, between Casper and Rock Springs in Wyoming.
Which has the better Enrollment?
Centennial Middle School: 755. Rock Springs Junior High: 746. Students enrolled in the latest NCES directory year.
How do Centennial Middle School and Rock Springs Junior High rank in Wyoming?
Centennial Middle School is 30th of 50 and Rock Springs Junior High is 33rd of 50 among middle schools in Wyoming on the 2025 Success Index (US).