Henry Zarrow International School (Ranked Top 20% for 2025-26)

3613 South Hudson Avenue
Tulsa, OK 74135

( shown in map)

Top 20%

Serving 478 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 is 50-54% (which is higher than the Oklahoma state average of 25%). The percentage of students achieving is 35-39% (which is higher than the Oklahoma state average of 27%).

The student-teacher ratio of 19:1 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 56% (majority Hispanic).

Quick Facts (2025-26)

Grades: Prekindergarten-5
Enrollment: 478 students
Student-Teacher Ratio: 19:1
Minority Enrollment: 66%
: Top 20% in OK
: 50-54% (Top 5%)
: 35-39% (Top 30%)
: 40-49% (Top 30%)
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:

School Overview

Henry Zarrow International School's student population of 478 students has declined by 7% over five school years.

The teacher population of 25 teachers has stayed relatively flat over five school years.

Grades Offered

Grades Prekindergarten-5
(No virtual instruction)

View Data

Distribution of Students By Grade Trends
Grade	Henry Zarrow International School
Pre-K	40
Kind	92
1	82
2	72
3	70
4	66
5	56

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Total Students

478 students

View Data

Total Students Trends Over Years (2003-2023)
Year	Henry Zarrow International School
2023	468
2022	450
2021	478
2020	516
2019	516
2018	477
2017	477
2016	460
2015	432
2014	405
2013	364
2012	335
2011	311
2010	285
2009	285
2008	279
2007	268
2006	220
2005	176
2004	138
2003	97

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Gender %

Total Classroom Teachers

25 teachers

View Data

Total Classroom Teachers Trends Over Years (2003-2023)
Year	Henry Zarrow International School
2023	23
2022	25
2021	27
2020	26
2019	26
2018	25
2017	25
2016	24
2015	22
2014	20
2013	21
2012	16
2011	17
2010	16
2009	17
2008	16
2007	15
2006	10
2005	10
2004	6
2003	8

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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 of Henry Zarrow International School is 0.68, which is less than the diversity score at state average of 0.73. The school's diversity has stayed relatively flat over five school years.

This School

State Level (OK)

#167 out of 1652 schools
(Top 20%)

View Data

Overall School Rank Trends Over Years (2012-2023)
Year	Henry Zarrow International School
2023	#167
2022	#189
2021	#223
2019	#33
2018	#57
2017	#31
2016	#12
2015	#15
2014	#5
2013	#12
2012	#26

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50-54%

25%

View Data

Math Proficiency Comparison Over Years (2012-2023)
Year	Henry Zarrow International School	Oklahoma	Tulsa School District
2023	52%	25%	12%
2022	52%	25%	9%
2021	37%	24%	7%
2019	65%	33%	16%
2018	56%	31%	16%
2017	68%	35%	19%
2016	92%	67%	45%
2015	92%	67%	43%
2014	92%	66%	42%
2013	92%	70%	52%
2012	92%	68%	52%

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35-39%

27%

View Data

Reading and Language Arts Proficiency Comparison Over Years (2011-2022)
Year	Henry Zarrow International School	Oklahoma	Tulsa School District
2022	37%	27%	13%
2021	37%	26%	12%
2019	65%	34%	19%
2018	64%	35%	16%
2017	66%	38%	23%
2016	92%	70%	53%
2015	92%	70%	52%
2014	92%	69%	51%
2013	92%	70%	54%
2012	87%	69%	53%
2011	92%	68%	55%

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40-49%

31%

View Data

Science Proficiency Comparison Over Years (2021-2022)
Year	Henry Zarrow International School	Oklahoma	Tulsa School District
2022	44%	31%	17%
2021	44%	30%	16%

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Student-Teacher Ratio

19:1

15:1

View Data

Student-Teacher Ratio Comparison Over Years (2003-2023)
Year	Henry Zarrow International School	Oklahoma	Tulsa School District
2023	20:1	16:1	19:1
2022	18:1	15:1	16:1
2021	18:1	15:1	16:1
2020	20:1	16:1	16:1
2019	20:1	16:1	16:1
2018	19:1	17:1	16:1
2017	19:1	16:1	16:1
2016	19:1	16:1	16:1
2015	20:1	16:1	17:1
2014	20:1	16:1	17:1
2013	18:1	16:1	17:1
2012	21:1	16:1	17:1
2011	19:1	16:1	16:1
2010	18:1	15:1	15:1
2009	17:1	15:1	15:1
2008	18:1	15:1	16:1
2007	18:1	15:1	16:1
2006	22:1	16:1	16:1
2005	18:1	16:1	17:1
2004	23:1	18:1	17:1
2003	12:1	16:1	17:1

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American Indian

11%

View Data

American Indian Student Percentage Comparison Over Years (2003-2023)
Year	Henry Zarrow International School	Oklahoma	Tulsa School District
2023	5%	11%	5%
2022	5%	12%	5%
2021	6%	12%	5%
2020	6%	13%	5%
2019	6%	13%	5%
2018	5%	14%	6%
2017	5%	14%	6%
2016	5%	15%	6%
2015	4%	15%	6%
2014	5%	15%	7%
2013	5%	16%	8%
2012	8%	17%	9%
2011	6%	19%	8%
2010	11%	20%	11%
2009	10%	20%	12%
2008	9%	19%	11%
2007	6%	19%	10%
2006	8%	19%	10%
2005	7%	19%	9%
2004	6%	19%	10%
2003	5%	18%	9%

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Asian

n/a

View Data

Asian Student Percentage Comparison Over Years (2005-2023)
Year	Henry Zarrow International School	Oklahoma	Tulsa School District
2023	1%	2%	2%
2022	1%	2%	2%
2021	1%	2%	2%
2020	1%	2%	2%
2019	1%	2%	2%
2018	1%	2%	2%
2017	1%	2%	2%
2016	1%	2%	1%
2014	1%	2%	1%
2013	2%	2%	2%
2012	2%	2%	1%
2011	1%	2%	1%
2010	3%	2%	2%
2009	2%	2%	1%
2008	2%	2%	1%
2007	1%	2%	1%
2005	1%	2%	1%

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Hispanic

44%

20%

View Data

Hispanic Student Percentage Comparison Over Years (2003-2023)
Year	Henry Zarrow International School	Oklahoma	Tulsa School District
2023	39%	20%	37%
2022	35%	19%	37%
2021	31%	19%	36%
2020	29%	18%	35%
2019	29%	18%	35%
2018	27%	17%	31%
2017	27%	17%	31%
2016	27%	16%	30%
2015	26%	16%	29%
2014	21%	15%	29%
2013	16%	14%	27%
2012	9%	13%	26%
2011	12%	12%	25%
2010	8%	11%	22%
2009	8%	10%	20%
2008	11%	10%	19%
2007	14%	9%	19%
2006	11%	9%	17%
2005	12%	8%	16%
2004	9%	8%	14%
2003	20%	7%	13%

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Black

View Data

Black Student Percentage Comparison Over Years (2003-2023)
Year	Henry Zarrow International School	Oklahoma	Tulsa School District
2023	5%	8%	23%
2022	5%	8%	23%
2021	6%	8%	23%
2020	7%	9%	23%
2019	7%	9%	23%
2018	7%	9%	27%
2017	7%	9%	27%
2016	8%	9%	28%
2015	9%	9%	29%
2014	8%	9%	27%
2013	7%	9%	28%
2012	10%	10%	29%
2011	11%	10%	31%
2010	13%	11%	33%
2009	15%	11%	34%
2008	16%	11%	35%
2007	21%	11%	35%
2006	22%	11%	36%
2005	23%	11%	36%
2004	26%	11%	36%
2003	21%	11%	36%

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White

34%

44%

View Data

White Student Percentage Comparison Over Years (2003-2023)
Year	Henry Zarrow International School	Oklahoma	Tulsa School District
2023	36%	45%	22%
2022	39%	46%	22%
2021	40%	47%	23%
2020	44%	48%	24%
2019	44%	48%	24%
2018	49%	49%	25%
2017	49%	49%	25%
2016	50%	50%	26%
2015	51%	50%	27%
2014	52%	52%	28%
2013	56%	53%	28%
2012	63%	54%	29%
2011	62%	54%	30%
2010	65%	56%	32%
2009	65%	57%	33%
2008	62%	58%	34%
2007	58%	59%	35%
2006	59%	59%	36%
2005	57%	60%	38%
2004	59%	61%	39%
2003	54%	63%	41%

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Hawaiian

n/a

Two or more races

12%

14%

View Data

Two or More Races Student Percentage Comparison Over Years (2013-2023)
Year	Henry Zarrow International School	Oklahoma	Tulsa School District
2023	14%	13%	10%
2022	15%	12%	10%
2021	16%	12%	10%
2020	13%	10%	10%
2019	13%	10%	10%
2018	11%	9%	9%
2017	11%	9%	9%
2016	9%	8%	9%
2015	10%	8%	8%
2014	13%	7%	8%
2013	14%	6%	7%

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All Ethnic Groups

0.68

0.73

View Data

Diversity Score Comparison Over Years (2003-2023)
Year	Henry Zarrow International School	Oklahoma	Tulsa School District
2023	0.70	0.73	0.76
2022	0.70	0.72	0.75
2021	0.72	0.71	0.76
2020	0.70	0.71	0.76
2019	0.70	0.71	0.76
2018	0.67	0.70	0.76
2017	0.67	0.70	0.76
2016	0.67	0.70	0.76
2015	0.66	0.69	0.76
2014	0.67	0.68	0.76
2013	0.64	0.67	0.76
2012	0.58	0.67	0.76
2011	0.58	0.66	0.75
2010	0.55	0.63	0.73
2009	0.54	0.62	0.73
2008	0.57	0.61	0.72
2007	0.60	0.60	0.72
2006	0.59	0.60	0.71
2005	0.61	0.59	0.70
2004	0.58	0.58	0.69
2003	0.63	0.56	0.68

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Participates in the

Yes

Eligible for

21%

48%

View Data

Free Lunch Eligibility Comparison Over Years (2003-2023)
Year	Henry Zarrow International School	Oklahoma	Tulsa School District
2023	21%	49%	66%
2022	22%	50%	73%
2021	21%	50%	71%
2020	19%	53%	75%
2019	19%	53%	75%
2018	20%	55%	76%
2017	20%	55%	76%
2016	26%	53%	76%
2015	27%	52%	75%
2014	27%	52%	75%
2013	21%	51%	74%
2012	20%	51%	72%
2011	17%	51%	73%
2010	18%	49%	71%
2009	16%	46%	66%
2008	22%	45%	68%
2007	22%	45%	66%
2006	27%	44%	66%
2005	26%	44%	64%
2004	38%	42%	63%
2003	75%	41%	62%

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Eligible for (15-16)

View Data

Reduced-Price Lunch Eligibility Comparison Over Years (2004-2016)
Year	Henry Zarrow International School	Oklahoma	Tulsa School District
2016	8%	8%	8%
2015	9%	9%	9%
2014	11%	10%	10%
2013	10%	10%	10%
2012	7%	10%	9%
2011	7%	9%	9%
2010	7%	10%	10%
2009	6%	10%	10%
2008	6%	10%	12%
2007	9%	10%	12%
2006	9%	10%	12%
2005	11%	10%	12%
2004	13%	11%	12%

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School Statewide Testing

School District Name

Tulsa School District

Source: National Center for Education Statistics (NCES), OK Dept. of Education

Profile last updated: 02/09/2025

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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?

478 students attend Henry Zarrow International School.

What is the racial composition of the student body?

44% of Henry Zarrow International School students are Hispanic, 34% of students are White, 12% of students are Two or more races, 6% of students are Black, and 4% of students are American Indian.

What is the student-teacher ratio of Henry Zarrow International School?

Henry Zarrow International School has a student ration of 19:1, 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 5/18/2016

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!!

- Posted by Student/Alumni - agata

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