For the 2025-26 school year, there are 8 public schools serving 1,771 students in Oregon County, MO.
The top ranked public schools in Oregon County, MO are Thayer Sr. High School, Thayer Elementary School and Couch Elementary School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
Oregon County, MO public schools have an average math proficiency score of 37% (versus the Missouri public school average of 40%), and reading proficiency score of 43% (versus the 43% statewide average). Schools in Oregon County have an average ranking of 5/10, which is in the bottom 50% of Missouri public schools.
Minority enrollment is 6% of the student body (majority Hispanic), which is less than the Missouri public school average of 32% (majority Black).
Best Public Schools in Oregon County (2025-26)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Quick Facts
Rank: #11.
Thayer Sr. High School
(Math: 50-54% | Reading: 55-59%)
Rank:
Rank:
9/
Top 20%10
401 E Walnut St
Thayer, MO 65791
(417) 264-4600
Thayer, MO 65791
(417) 264-4600
Gr: 7-12 | 345 students Student-teacher ratio: 12:1 Minority enrollment: 6%
Rank: #22.
Thayer Elementary School
(Math: 51% | Reading: 49%)
Rank:
Rank:
8/
Top 30%10
365 E Walnut St
Thayer, MO 65791
(417) 264-4600
Thayer, MO 65791
(417) 264-4600
Gr: PK-6 | 424 students Student-teacher ratio: 11:1 Minority enrollment: 7%
Rank: #33.
Couch Elementary School
(Math: 30-39% | Reading: 40-49%)
Rank:
Rank:
5/
Bottom 50%10
22206 Mo 142
Myrtle, MO 65778
(417) 938-4215
Myrtle, MO 65778
(417) 938-4215
Gr: PK-6 | 89 students Student-teacher ratio: 10:1 Minority enrollment: 5%
Rank: #44.
Koshkonong Elementary School
(Math: 35-39% | Reading: 35-39%)
Rank:
Rank:
4/
Bottom 50%10
School St
Koshkonong, MO 65692
(417) 867-5601
Koshkonong, MO 65692
(417) 867-5601
Gr: PK-8 | 145 students Student-teacher ratio: 10:1 Minority enrollment: 14%
Rank: #55.
Couch High School
(Math: 20-29% | Reading: 40-49%)
Rank:
Rank:
4/
Bottom 50%10
22206 Mo 142
Myrtle, MO 65778
(417) 938-4212
Myrtle, MO 65778
(417) 938-4212
Gr: 7-12 | 95 students Student-teacher ratio: 9:1 Minority enrollment: 4%
Rank: #66.
Alton Elementary School
(Math: 20-24% | Reading: 35-39%)
Rank:
Rank:
3/
Bottom 50%10
500 School Street
Alton, MO 65606
(417) 778-7217
Alton, MO 65606
(417) 778-7217
Gr: PK-5 | 273 students Student-teacher ratio: 11:1 Minority enrollment: 4%
Rank: #77.
Alton High School
(Math: 20-24% | Reading: 30-34%)
Rank:
Rank:
2/
Bottom 50%10
505 School Street
Alton, MO 65606
(417) 778-7215
Alton, MO 65606
(417) 778-7215
Gr: 6-12 | 313 students Student-teacher ratio: 9:1 Minority enrollment: 4%
Rank: #88.
Koshkonong High School
(Math: ≤20% | Reading: 21-39%)
Rank:
Rank:
2/
Bottom 50%10
School St
Koshkonong, MO 65692
(417) 867-5601
Koshkonong, MO 65692
(417) 867-5601
Gr: 9-12 | 87 students Student-teacher ratio: 9:1 Minority enrollment: 13%
Frequently Asked Questions
What are the top ranked public schools in Oregon County, MO?
The top ranked public schools in Oregon County, MO include Thayer Sr. High School, Thayer Elementary School and Couch Elementary School.
How many public schools are located in Oregon County?
8 public schools are located in Oregon County.
What is the racial composition of students in Oregon County?
Oregon County public schools minority enrollment is 6% of the student body (majority Hispanic), which is less than the Missouri public schools average of 32% (majority Black).
Recent Articles
Texas Schools Enrollment Trends & Policy in 2025
Latest data and policy changes on Texas public school enrollment growth, funding, and virtual education in 2025.
Financial Aid & Hidden Costs in Public Schools
Learn about financial aid and hidden costs in public schools. Discover what parents should budget for beyond tuition-free education.
NYC Schools Still Most Segregated in 2025
Despite reforms, New York City schools remain the most segregated in the U.S. in 2025. Here’s what parents and educators need to know.