Henry Zarrow International Sch vs Red Oak ES
A head-to-head comparison of two elementary schools in Oklahoma, United States, 170 km apart, using official American 2025 data. The better value in each row is highlighted.
Henry Zarrow International Sch
Tulsa · Public elementary · Grades PK–5
491 students
Red Oak ES
Oklahoma City · Public elementary · Grades PK–6
491 students
| Measure | Henry Zarrow International Sch Tulsa, Oklahoma | Red Oak ES Oklahoma City, Oklahoma |
|---|---|---|
| Success Index (US) | 66 Top 50% | 54 Top 50% |
| State rank | #45 of 899 | #144 of 899 |
| National rank | #14398 of 50,301 | #22657 of 50,301 |
| Sector | Public | Public |
| Type | Elementary | Elementary |
| Year range | Grades PK–5 | Grades PK–6 |
| Students | 491 | 491 |
| Enrollment | 491 | 491 |
| Free/reduced-price lunch | 46.8% | 50.7% |
| Students per teacher | 18.2 | 16.4 |
| Reading proficiency | 65% | 50% |
| Math proficiency | 65% | 53% |
| city | Tulsa | Oklahoma City |
| state | Oklahoma | Oklahoma |
| Website | – | – |
The verdict
- •Henry Zarrow International Sch scores higher on the Success Index (US) (65.6 vs 53.6).
- •Henry Zarrow International Sch does better on math proficiency (65% vs 53%).
- •Henry Zarrow International Sch does better on reading proficiency (65% vs 50%).
- •Henry Zarrow International Sch does better on community advantage (fewer free/reduced-price lunch) (46.8% vs 50.7%).
- •Red Oak ES does better on students per teacher (16.4 vs 18.2).
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 Henry Zarrow International Sch better than Red Oak ES?
On the Success Index (US), Henry Zarrow International Sch ranks higher (65.6 vs 53.6 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 Henry Zarrow International Sch and Red Oak ES?
About 170 km in a straight line, between Tulsa and Oklahoma City in Oklahoma.
Which has the better Enrollment?
Henry Zarrow International Sch: 491. Red Oak ES: 491. Students enrolled in the latest NCES directory year.
How do Henry Zarrow International Sch and Red Oak ES rank in Oklahoma?
Henry Zarrow International Sch is 45th of 899 and Red Oak ES is 144th of 899 among elementary schools in Oklahoma on the 2025 Success Index (US).