Blalack Middle vs Harmony Science Academy - Carrollton
A head-to-head comparison of two schools in Texas, United States, 1.7 km apart, using official American 2025 data. The better value in each row is highlighted.
Blalack Middle
Carrollton · Public middle · Grades 6–8
931 students
Harmony Science Academy - Carrollton
Carrollton · Charter high · Grades 6–12
564 students
| Measure | Blalack Middle Carrollton, Texas | Harmony Science Academy - Carrollton Carrollton, Texas |
|---|---|---|
| Success Index (US) | 60 Top 50% | 65 Top 50% |
| State rank | #490 of 1,684 | #313 of 1,419 |
| National rank | #5430 of 15,369 | #4455 of 16,910 |
| Sector | Public | Charter |
| Type | Middle | High |
| Year range | Grades 6–8 | Grades 6–12 |
| Students | 931 | 564 |
| Enrollment | 931 | 564 |
| Free/reduced-price lunch | 53.3% | 50.7% |
| Students per teacher | 14.1 | 16.1 |
| Reading proficiency | 50% | 65% |
| Math proficiency | 58% | 75% |
| city | Carrollton | Carrollton |
| state | Texas | Texas |
| Website | – | – |
The verdict
- •Harmony Science Academy - Carrollton scores higher on the Success Index (US) (65.3 vs 60.2).
- •Harmony Science Academy - Carrollton does better on math proficiency (75% vs 58%).
- •Harmony Science Academy - Carrollton does better on reading proficiency (65% vs 50%).
- •Harmony Science Academy - Carrollton does better on community advantage (fewer free/reduced-price lunch) (50.7% vs 53.3%).
- •Blalack Middle does better on students per teacher (14.1 vs 16.1).
- •Blalack Middle is the larger school with 931 students compared with 564.
- •Blalack Middle is a public school while Harmony Science Academy - Carrollton is a charter school, so fees and admission rules differ.
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 Blalack Middle better than Harmony Science Academy - Carrollton?
On the Success Index (US), Harmony Science Academy - Carrollton ranks higher (65.3 vs 60.2 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 Blalack Middle and Harmony Science Academy - Carrollton?
About 1.7 km in a straight line, between Carrollton and Carrollton in Texas.
Which has the better Enrollment?
Blalack Middle: 931. Harmony Science Academy - Carrollton: 564. Students enrolled in the latest NCES directory year.
How do Blalack Middle and Harmony Science Academy - Carrollton rank in Texas?
Blalack Middle is 490th of 1,684 and Harmony Science Academy - Carrollton is 313th of 1,419 among middle schools in Texas on the 2025 Success Index (US).