Union HS
Tulsa, OK · High School · Grades 10-12
Union HS is a high school in Tulsa, OK with 3,355 students enrolled and a 53% proficiency rate. Part of Union. NCES data from the U.S. Department of Education.
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About This School
Union HS is a high school located in Tulsa, Oklahoma. The school serves 3,355 students in grades 10-12. The student-to-teacher ratio is 21.1:1.
According to EDFacts assessment data, 53% of students meet grade-level proficiency standards in combined math and reading. The school reports a 69% graduation rate.
62% of students qualify for free or reduced-price lunch, indicating the school serves a predominantly low-income community.
Union HS is part of the Union in Oklahoma. The school receives Title I federal funding.
How This School Compares
Union HS has 3,355 students enrolled, making it larger than the average school in Union (876 students). Its 53% proficiency rate is 9 percentage points above the district average of 44%. Compared to the Oklahoma state average of 44%, the school performs 9 points higher. The 21.1:1 student-teacher ratio is above the national average of 16:1.
Frequently Asked Questions
Union HS has 3,355 students enrolled in grades 10-12. The student-to-teacher ratio is 21.1:1.
According to EDFacts data, 53% of students at Union HS meet grade-level proficiency standards in combined math and reading assessments.
Union HS has a 69% graduation rate, measuring the percentage of students who graduate within four years.
Union HS is part of the Union in Tulsa, Oklahoma. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
Explore School Data
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
For this entity, the underlying data on this page comes from NCES Common Core of Data and EDFacts. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
The methodology behind every numeric value on this page is publicly documented on the NCES Common Core of Data and EDFacts portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. public schools and districts. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: NCES Common Core of Data, 2026.