Serving 491 students in grades Prekindergarten-5, Henry Zarrow International School ranks in the top 20% of all schools in Oklahoma for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 50-54% (which is higher than the Oklahoma state average of 25%). The percentage of students achieving proficiency in reading/language arts is 35-39% (which is higher than the Oklahoma state average of 27%).
The student-teacher ratio of 18:1 is higher than the Oklahoma state level of 15:1.
Minority enrollment is 66% of the student body (majority Hispanic), which is higher than the Oklahoma state average of 57% (majority Hispanic).
Quick Facts (26-27)
- Grades: Prekindergarten-5
- Enrollment: 491 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 66%
- Overall Testing Rank: Top 20% in OK
- Math Proficiency: 50-54% (Top 5%)
- Reading Proficiency: 35-39% (Top 30%)
- Science Proficiency: 40-49% (Top 30%)
- Attendance Zone: Henry Zarrow International School's attendance zone covers the entire school district in Tulsa, OK, encompassing approximately 177.6 square miles. The zone typically allows for a 15-20 minute drive to the school, with most students living an average of 8.5 miles away from its edges, which extend up to 13.8 miles.
- Source: National Center for Education Statistics (NCES), OK Dept. of Education
Top Rankings
Henry Zarrow International School ranks among the top 20% of public schools in Oklahoma for:
Category
Attribute
Overall Rank
Math Proficiency
School Overview
Henry Zarrow International School's student population of 491 students has stayed relatively flat over five school years.
The teacher population of 27 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Prekindergarten-5
(No virtual instruction)
(No virtual instruction)
Total Students
491 students
Showing 2016–2025. Full 23-year historical data available below ↓
Total Classroom Teachers
27 teachers
Showing 2016–2025. Full 23-year historical data available below ↓
School Calendar
School Rankings
Henry Zarrow International School ranks within the top 20% of all 1,652 schools in Oklahoma (based off of combined math and reading proficiency testing data).
The diversity score of Henry Zarrow International School is 0.67, which is less than the diversity score at state average of 0.74. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#167 out of 1652 schools
(Top 20%)
(Top 20%)
Showing 2013–2023. Full 14-year historical data available below ↓
Math Test Scores (% Proficient)
50-54%
25%
Showing 2013–2023. Full 14-year historical data available below ↓
Reading/Language Arts Test Scores (% Proficient)
35-39%
27%
Showing 2012–2022. Full 13-year historical data available below ↓
Science Test Scores (% Proficient)
40-49%
31%
Student-Teacher Ratio
18:1
15:1
Showing 2016–2025. Full 23-year historical data available below ↓
American Indian
3%
11%
Showing 2016–2025. Full 23-year historical data available below ↓
Asian
1%
2%
Showing 2015–2025. Full 20-year historical data available below ↓
Hispanic
45%
21%
Showing 2016–2025. Full 23-year historical data available below ↓
Black
5%
8%
Showing 2016–2025. Full 23-year historical data available below ↓
White
34%
43%
Showing 2016–2025. Full 23-year historical data available below ↓
Two or more races
12%
14%
Showing 2016–2025. Full 15-year historical data available below ↓
All Ethnic Groups
Showing 2016–2025. Full 23-year historical data available below ↓
Chronically Absent Students
(22-23)8.6%
24.3%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
20%
49%
Showing 2014–2025. Full 23-year historical data available below ↓
Eligible for Reduced Lunch (15-16)
8%
8%
Showing 2007–2016. Full 14-year historical data available below ↓
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), OK Dept. of Education
Frequently Asked Questions
What is Henry Zarrow International School's ranking?
Henry Zarrow International School is ranked #167 out of 1,652 schools, which ranks it among the top 20% of public schools in Oklahoma.
What schools are Henry Zarrow International School often compared to?
Henry Zarrow International Schoolis often viewed alongside schools like Eisenhower International Elementary School, Skelly Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
50-54% of students have achieved math proficiency (compared to the 25% OK state average), while 35-39% of students have achieved reading proficiency (compared to the 27% OK state average).
How many students attend Henry Zarrow International School?
491 students attend Henry Zarrow International School.
What is the racial composition of the student body?
45% of Henry Zarrow International School students are Hispanic, 34% of students are White, 12% of students are Two or more races, 5% of students are Black, 3% of students are American Indian, and 1% of students are Asian.
What is the student-teacher ratio of Henry Zarrow International School?
Henry Zarrow International School has a student ration of 18:1, which is higher than the Oklahoma state average of 15:1.
What grades does Henry Zarrow International School offer ?
Henry Zarrow International School offers enrollment in grades Prekindergarten-5 (No virtual instruction).
What school district is Henry Zarrow International School part of?
Henry Zarrow International School is part of Tulsa School District.
School Reviews
5 10/10/2025
I was in tulsa for the exchange student program .
It was the best school ever !!! I like all the teachers but I'm sorry the best ones are srta.S or misses S , sñr Kellito miss Kellito and sra. Ramirez or misses Ramirez the are how to say it ... PERFECT !!!
First humanities : MUSIC !!! Love it and love the teacher to !!!
ART !!! Love it , love it , love it !!!!! It's perfect
COMPUTERS !! Love it !!
PHISICAL EDUCATION (or p.e ) love it too we just enjoy a lot there !!!
The teacher are perfect , the principal is wonderful what more do you just need is the best thing ever !!!
LOVE ALL OF YOU AND MISS YOU TOO!!
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