For the 2025-26 school year, there are 4 public high schools serving 406 students in Tillman County, OK.
The top ranked public high schools in Tillman County, OK are Oya Charter Manitou 9th-12th, Grandfield High School and Frederick High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Tillman County, OK public high schools have an average math proficiency score of 21% (versus the Oklahoma public high school average of 19%), and reading proficiency score of 41% (versus the 38% statewide average). High schools in Tillman County have an average ranking of 7/10, which is in the top 50% of Oklahoma public high schools.
Tillman County, OK public high school have a Graduation Rate of 88%, which is more than the Oklahoma average of 80%.
The school with highest graduation rate is Frederick High School, with 90-94% graduation rate. Read more about public school graduation rate statistics in Oklahoma or national school graduation rate statistics.
Minority enrollment is 60% of the student body (majority Hispanic), which is more than the Oklahoma public high school average of 55% (majority Hispanic and American Indian).
Best Public High Schools in Tillman County (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Oya Charter Manitou 9th-12th
Alternative School
Charter School
Charter School
(Math: <50% | Reading: <50% )
Rank:
Rank:
10/
Top 10%10
300 S Broadway
Manitou, OK 73555
(580) 397-3511
Manitou, OK 73555
(580) 397-3511
Gr: 9-12 | 31 students Student-teacher ratio: 4:1 Minority enrollment: 71%
Rank: #22.
Grandfield High School
(Math: ≤20% | Reading: <50%)
Rank:
Rank:
7/
Top 50%10
811 West 3rd Street
Grandfield, OK 73546
(580) 479-3140
Grandfield, OK 73546
(580) 479-3140
Gr: 9-12 | 78 students Student-teacher ratio: 13:1 Minority enrollment: 56%
Rank: #33.
Frederick High School
(Math: 20-24% | Reading: 40-44%)
Rank:
Rank:
7/
Top 50%10
312 N 15th
Frederick, OK 73542
(580) 335-5521
Frederick, OK 73542
(580) 335-5521
Gr: 9-12 | 215 students Student-teacher ratio: 13:1 Minority enrollment: 61%
Rank: #44.
Tipton High School
(Math: ≤20% | Reading: 21-39%)
Rank:
Rank:
5/
Bottom 50%10
1000 South Broadway
Tipton, OK 73570
(580) 667-5268
Tipton, OK 73570
(580) 667-5268
Gr: 9-12 | 82 students Student-teacher ratio: 16:1 Minority enrollment: 56%
Tillman County Public Schools (Closed)
School
Location
Quick Facts
500 South Main
Davidson, OK 73530
(580) 568-2261
Davidson, OK 73530
(580) 568-2261
Gr: 9-12 | 15 students Student-teacher ratio: 8:1 Minority enrollment: 67%
Frequently Asked Questions
What are the top ranked public high schools in Tillman County, OK?
The top ranked public high schools in Tillman County, OK include Oya Charter Manitou 9th-12th, Grandfield High School and Frederick High School.
How many public high schools are located in Tillman County?
4 public high schools are located in Tillman County.
What is the racial composition of students in Tillman County?
Tillman County public high schools minority enrollment is 60% of the student body (majority Hispanic), which is more than the Oklahoma public high schools average of 55% (majority Hispanic and American Indian).
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