Barnwell Elementary School vs Centennial High School
A head-to-head comparison of two schools in Georgia, United States, 3.8 km apart, using official American 2025 data. The better value in each row is highlighted.
Barnwell Elementary School
Alpharetta · Public elementary · Grades PK–5
672 students
Centennial High School
Roswell · Public high · Grades 9–12
1,643 students
| Measure | Barnwell Elementary School Alpharetta, Georgia | Centennial High School Roswell, Georgia |
|---|---|---|
| Success Index (US) | 89 Top 5% | 59 Top 50% |
| State rank | #34 of 1,308 | #69 of 431 |
| National rank | #1109 of 50,301 | #5998 of 16,910 |
| Sector | Public | Public |
| Type | Elementary | High |
| Year range | Grades PK–5 | Grades 9–12 |
| Students | 672 | 1,643 |
| Enrollment | 672 | 1,643 |
| Free/reduced-price lunch | 15.8% | 43% |
| Students per teacher | 13.7 | 14.3 |
| Reading proficiency | 79% | 56% |
| Math proficiency | 80% | 51% |
| city | Alpharetta | Roswell |
| state | Georgia | Georgia |
| Website | – | – |
The verdict
- •Barnwell Elementary School scores higher on the Success Index (US) (88.6 vs 59.2).
- •Barnwell Elementary School does better on math proficiency (80% vs 51%).
- •Barnwell Elementary School does better on reading proficiency (79% vs 56%).
- •Barnwell Elementary School does better on community advantage (fewer free/reduced-price lunch) (15.8% vs 43%).
- •Barnwell Elementary School does better on students per teacher (13.7 vs 14.3).
- •Centennial High School is the larger school with 1,643 students compared with 672.
The Success Index (US) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Barnwell Elementary School better than Centennial High School?
On the Success Index (US), Barnwell Elementary School ranks higher (88.6 vs 59.2 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 Barnwell Elementary School and Centennial High School?
About 3.8 km in a straight line, between Alpharetta and Roswell in Georgia.
Which has the better Enrollment?
Barnwell Elementary School: 672. Centennial High School: 1,643. Students enrolled in the latest NCES directory year.
How do Barnwell Elementary School and Centennial High School rank in Georgia?
Barnwell Elementary School is 34th of 1,308 and Centennial High School is 69th of 431 among elementary schools in Georgia on the 2025 Success Index (US).