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#1172 of 1,750 schools in OK

Henry Zarrow International Sch

Elementary School · Tulsa · Tulsa, OK

A Tulsa elementary school where students score 12 points above what's typical for similar communities.

3613 South Hudson Avenue, Tulsa, OK 74135

  • Math 51% proficient (2025)
  • Reading 42% proficient (2025)
  • 19.9:1 student-teacher ratio

Academics

Full Profile · 3/3 metrics
Student Progress3.4Needs Improvement50%
Year-over-year improvement in student test scores.
View breakdown
Years of Data16
Annual Change-19.25 pts/yr
Data Period2009–2025
TrendDeclining
Academics9.4Excellent30%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency51% (2025 OSTP)
Reading/ELA Proficiency42% (2025 OSTP)
Overall Proficiency47% (2025 OSTP, Math+ELA)
Expected (poverty-adj.)34% (model expectation from 2025 OSTP)
vs. Expected+12.5 pts
Adjusted Percentile91th
Resources & Environment5.3Average20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio19.9:1
District spending per student$11,873
Chronic Absenteeism8.8%

Students at Henry Zarrow International Sch score 46% proficient, which is above what's typical for similar communities (expected: 34%).

How we calculate scores →

2025 OSTP proficiency

Most recent published year. School vs. OK average.

Math Proficiency51%(2025 OSTP)
School
State
Not reported(2025 OSTP)
ELA Proficiency42%(2025 OSTP)
School
State
Not reported(2025 OSTP)

Trend

↑ Recovering

Proficiency declined earlier in the 17-year record (2009–2025), then recovered 10 points since 2021, reaching 47% in 2025.

Show all 16 years
2009
Math
87%
ELA
92%
2010
Math
92%
ELA
92%
2011
Math
92%
ELA
87%
2012
Math
92%
ELA
92%
2013
Math
92%
ELA
92%
2014
Math
92%
ELA
92%
2015
Math
92%
ELA
92%
2016
Math
68%
ELA
66%
2017
Math
56%
ELA
64%
2018
Math
65%
ELA
65%
2019
Math
65%
ELA
65%
2020*
Math
37%
ELA
37%
2021*
Math
37%
ELA
37%
2022
Math
52%
ELA
37%
2024
Math
62%
ELA
70%
2025
Math
51%
ELA
42%

Multi-year averages used by the rating model: math 67% (multi-year average, 2009-2025) · reading/ELA 66% (multi-year average, 2009-2025)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 48 test records from OK state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

53.3%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Henry Zarrow International Sch sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 53Somewhat Walkable
  • Transit 32Some Transit
  • Bike 53Bikeable
  • City Safety: High4,582/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · city context (Tulsa), not school-level safety or attendance eligibility. Source details

Source period: 2024. Freshness not available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$60,942

Median home value

$230,700

Median rent

$900/mo

College educated

46.5%

Homeownership

51.5%

Poverty rate

12.9%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 74135; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Gifted & Talented ProgramAvailable
This school offers a gifted and talented program for qualifying students.·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

4 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Undercroft Montessori SchoolPrivate · tuition7.3privatePK–80.1 mi173Compare →
Peace AcademyPrivate · tuition8.5privatePK–121.0 mi202Compare →
Hoover ESEnrollment path unverified6.4PK–51.3 mi338Compare →
Patrick Henry ESEnrollment path unverified5.5PK–51.4 mi429Compare →

Distance is proximity only; it is not attendance eligibility.

Private · tuition: Potential private option; tuition and admission requirements have not been verified.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

Public and private scores come from different models and are shown side by side, not blended into one ranking.

Tulsa

Schools in district
69
Rank in district
#31 of 69
District spending per student
$11,873NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
22.7%Census SAIPE · 2024

Henry Zarrow International Sch is listed in TULSA; a district label does not verify attendance for an address.

About Henry Zarrow International Sch

Henry Zarrow International Sch is a public elementary school in Tulsa, OK, part of Tulsa, serving approximately 478 students in grades Pre-K-5th with a 19.9:1 student-teacher ratio. It holds a MySchoolScout rating of 5.6 out of 10 and ranks #1,172 of 1,750 schools in OK. State assessment records show 67% math proficiency (multi-year average, 2009-2025) and 66% reading/ELA proficiency (multi-year average, 2009-2025).

Frequently asked questions

Common questions about Henry Zarrow International Sch

What grades does Henry Zarrow International Sch serve?

Henry Zarrow International Sch serves students in grades Pre-K through 5th.

How many students attend Henry Zarrow International Sch?

Henry Zarrow International Sch has an enrollment of approximately 478 students.

What is the student-teacher ratio at Henry Zarrow International Sch?

The student-teacher ratio at Henry Zarrow International Sch is 19.9:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Henry Zarrow International Sch rank in OK?

Henry Zarrow International Sch ranks #1,172 of 1,750 schools in OK.

What is Henry Zarrow International Sch's MySchoolScout rating?

Henry Zarrow International Sch has a current MySchoolScout rating of 5.6 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Henry Zarrow International Sch?

Based on loaded state assessment records, Henry Zarrow International Sch has 67% math proficiency (multi-year average, 2009-2025) and 66% reading/ELA proficiency (multi-year average, 2009-2025).

Is Henry Zarrow International Sch a charter school?

No, Henry Zarrow International Sch is not a charter school. It is a traditional public school operated by the local school district.

Is Henry Zarrow International Sch a Title I school?

No, Henry Zarrow International Sch is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Henry Zarrow International Sch?

53.3% of students at Henry Zarrow International Sch qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
Pre-K – 5th
Enrollment
478
Student-Teacher Ratio
19.9:1
Teachers (FTE)
24
Type
regular
Setting
Large City
County
Tulsa County
Chronic Absenteeism (SY 2022-23)
8.8%
Area population (ZIP 74135)
19,737
Area average commute
16.3 min
Area median age
42
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 OSTP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 OSTP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 OSTP · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2025 OSTP. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 74135; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

About our data · How we calculate scores

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