For the 2026-27 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 41%), 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 33% (majority Black).
Best Public Schools in Oregon County (2026-27)
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 | 359 students Student-teacher ratio: 12:1 Minority enrollment: 5%
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 | 421 students Student-teacher ratio: 11:1 Minority enrollment: 6%
Rank: #33.
Couch Elementary School
(Math: 30-39% | Reading: 40-49%)
Rank:
Rank:
5/
Bottom 50%10
22206 Mo 142
Myrtle, MO 65778
(417) 938-4212
Myrtle, MO 65778
(417) 938-4212
Gr: PK-6 | 94 students Student-teacher ratio: 9:1 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 | 127 students Student-teacher ratio: 8:1 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 | 92 students Student-teacher ratio: 8:1 Minority enrollment: 8%
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 | 290 students Student-teacher ratio: 10:1 Minority enrollment: 3%
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 | 281 students Student-teacher ratio: 9:1 Minority enrollment: 3%
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 | 86 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 33% (majority Black).
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