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Oklahoma High School Indicators Project

Mean ACT Scores by High School Site

Mean ACT Score Tables

Data for all 2018 high school graduates by county, high school site and district can be viewed below.

2018 Mean ACT Scores (XLSX, 137k)

Additional high school graduate years can be viewed by selecting the appropriate links provided on the Oklahoma State Regents’ website.


With the passage of the "Oklahoma 2000 Education Challenge Act" in May 1989, the state of Oklahoma affirmed a commitment to promoting excellence in the education of Oklahoma children. The act established that the State Board of Education publish annually a summary report of information provided by the Oklahoma Educational Indicators Project. The purpose of this program is to develop and implement a system of measures or indicators of educational performance. The act also mandated that the Oklahoma State Regents for Higher Education (OSRHE) cooperate in the annual publication of this report. The State Regents, with the cooperation of the State Department of Education and other agencies, has participated in the development of indicators of comparative educational standing and accomplishment. The State Regents provide the following four reports: (1) High School to College-Going Rates for Oklahoma High School Graduates to Oklahoma Colleges; (2) Headcount, Semester Hours, and GPA Report; (3) Mean ACT Scores by Oklahoma High School Site; and (4) Developmental Education (Remediation) Rates for Oklahoma High School Graduates in Oklahoma Public Higher Education (beginning in 1995). In compliance with Senate Bill No. 183, the State Regents transmit these data to the Office of Educational Quality and Accountability.

The Mean ACT Scores of the High School Indicators Project provides the mean ACT subject and composite scores of Oklahoma high school graduates by county, high school site, and district

Mean ACT Scores by Oklahoma High School Site

According to ACT, 1,914,817 high school graduates across the United States took the test in 2018, a decrease of 5.7 percent from 2017.  Oklahoma high school graduates, with a valid Oklahoma high school code, represent 41,092 of these test-takers. The State Department of Education pays for 100 percent of students to take either the ACT or SAT.

With an increase in the number of test-takers, including more who are not on a college-track, average test scores can be expected to decline. Oklahoma’s 2018 senior class scored an average composite score of 19.7, which is the same as the previous year. The state’s score in English was 18.7, also the same as the previous year; the mathematics score (19.1) increased 0.1 point; reading (20.6) remained the same; and science (19.8) decreased 0.2 points. District composite scores range from a high 31.5 to a low of 12.4.

Oklahoma Mean ACT Scores (Five-Year Trend) Based on Highest Score

Students With Valid OK HS Code English Math Reading
2014 29,995 20.3 20.2 21.8 21.1 21.0
2015 33,362 20.3 19.9 21.7 20.9 20.9
2016 33,627 20.1 19.7 21.7 20.9 20.8
2017 41,338 18.7 19.0 20.6 20.0 19.7
2018 41,092 18.7 19.1 20.6 19.8 19.7

Source: ACT Inc.

Statewide, 58.6 percent of the students taking the ACT failed to score 19 or higher on the mathematics portion of the exam, and this subject remains an area of weakness in Oklahoma student preparation. Additionally, the percentage of Oklahoma’s test-takers who took the ACT college preparatory core curriculum decreased to 48 percent, from last year’s 51 percent. As mentioned above, with the increase in the number of test-takers, these percentages may not represent an actual change in performance; rather, they may be a reflection of the changing demographics of the testing population.

Measuring College Readiness

The ACT test is a measure of educational development. Performance on the test is influenced by the student's educational experiences. The ACT Corporation cautions against using the ACT test scores in isolation from other measures to infer the overall quality of schools and education within a state. Specifically, the ACT tests are designed to measure high school students' educational development as related to their readiness to pursue further study at the college level.

Many Oklahoma students fail to meet ACT’s College Readiness Benchmark Scores which measure the number of ACT-tested graduates that will likely be ready for college-level work. Of the 2018 Oklahoma ACT tested graduates, 16 percent meet all four benchmarks as indicated in the graph. A benchmark score is the minimum score needed in a subject area for a student to have a 50 percent chance of obtaining a B or higher or 75 percent chance of obtaining a C or higher in the corresponding credit bearing college course.

Bar graph showing percent of 2018 ACT-tested high school graduates meeting ACT college readiness benchmarks by subject for Oklahoma and the nation.

Oklahoma: 50 percent; Nation: 60 percent.

Oklahoma: 26 percent; Nation: 40 percent.

Oklahoma: 39 percent; Nation: 46 percent.

Oklahoma: 26 percent; Nation: 36 percent.

Students Meeting All Four ACT Benchmark Scores.
Oklahoma: 16 percent; Nation: 27 percent.

Source: ACT, The Condition of College and Career Readiness 2018.


The State Regents compute the mean ACT composite and subject scores for the state of Oklahoma for each individual high school site. This computation is based on the highest composite test score of those who took the ACT more than one time. ACT Inc. calculates the mean ACT composite score on the last test score. Therefore, the computed mean ACT scores by OSRHE and ACT Inc. are not comparable. The rationale for using the highest score is that Oklahoma higher education policies rely on ACT scores and other relevant data in making some admissions and course placement decisions for the student. Consequently, the highest score more accurately reflects actual use of these data.

The student’s ACT score is credited to the high school where the highest score was earned. If the high school code does not match a valid Oklahoma high school site, then the score is excluded.

For high schools with five or fewer ACT test-takers, an asterisk was entered to comply with the federal privacy act.

For more information on ACT scores or questions, contact Kathy Spengler at 405.225.9100 or

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Photo courtesy of Oklahoma State University Institute of Technology.