Serving 981 students in grades 9-12, Duncan High School ranks in the top 50% of all schools in Oklahoma for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 17% (which is lower than the Oklahoma state average of 25%). The percentage of students achieving proficiency in reading/language arts is 41% (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 41% of the student body (majority Hispanic), which is lower than the Oklahoma state average of 57% (majority Hispanic).
Quick Facts (2026-27)
- Grades: 9-12
- Enrollment: 981 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 41%
- Graduation Rate: 84% (Top 30% in OK)
- Overall Testing Rank: Top 50%
- Math Proficiency: 17% (Btm 50%)
- Reading Proficiency: 41% (Top 30%)
- Science Proficiency: 15% (Btm 50%)
- Source: National Center for Education Statistics (NCES), OK Dept. of Education
School Overview
Duncan High School's student population of 981 students has grown by 9% over five school years.
The teacher population of 54 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
981 students
Total Classroom Teachers
54 teachers
Year Founded
1905
Campus Size
50 acres
School Motto
Truth and Honor
School Rankings
Duncan High School ranks within the top 50% of all 1,652 schools in Oklahoma (based off of combined math and reading proficiency testing data).
The diversity score of Duncan High School is 0.60, 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
#720 out of 1652 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
17%
25%
Reading/Language Arts Test Scores (% Proficient)
41%
27%
Science Test Scores (% Proficient)
15%
31%
Student-Teacher Ratio
18:1
15:1
American Indian
3%
11%
Asian
1%
2%
Hispanic
21%
21%
Black
4%
8%
White
59%
43%
Hawaiian
n/a
1%
Two or more races
12%
14%
All Ethnic Groups
Graduation Rate
(20-21)84%
78%
Chronically Absent Students
(22-23)23.7%
24.3%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
40%
49%
Eligible for Reduced Lunch
5%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), OK Dept. of Education
School Notes
- School Mascot: Wild Boars
Frequently Asked Questions
What is Duncan High School's ranking?
Duncan High School is ranked #720 out of 1,652 schools, which ranks it among the top 50% of public schools in Oklahoma.
What schools are Duncan High School often compared to?
Duncan High Schoolis often viewed alongside schools like Clinton High School, Comanche High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
17% of students have achieved math proficiency (compared to the 25% OK state average), while 41% of students have achieved reading proficiency (compared to the 27% OK state average).
What is the graduation rate of Duncan High School?
The graduation rate of Duncan High School is 84%, which is higher than the Oklahoma state average of 78%.
How many students attend Duncan High School?
981 students attend Duncan High School.
What is the racial composition of the student body?
59% of Duncan High School students are White, 21% of students are Hispanic, 12% of students are Two or more races, 4% of students are Black, 3% of students are American Indian, and 1% of students are Asian.
What is the student-teacher ratio of Duncan High School?
Duncan High School has a student ration of 18:1, which is higher than the Oklahoma state average of 15:1.
What grades does Duncan High School offer ?
Duncan High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Duncan High School part of?
Duncan High School is part of Duncan School District.
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