Total enrollment
1,750
-151 (-8%) vs SY 2017-18
Oregon County
Missouri · Public K-12
For a Missouri county, Oregon County operates a compact public-school system: 8 schools and 1,750 students, broken out as 4 elementary and 4 high.
7-year change in Oregon County
SY 2017-18 vs SY 2024-25School count
8
0 (0%) vs SY 2017-18
% White
94%
was 96%
% Hispanic
3%
was 2%
% Black
1%
was 1%
% Asian
0%
was 0%
Source: NCES Common Core of Data, enrollment-weighted demographic averages
Schools
8
4 districts
Enrollment
1,750
NCES CCD
Median income
$43,069
Below Missouri avg
Free/reduced lunch
62.0%
Above Missouri avg
Elementary
4
932 students
Middle
0
schools
High
4
818 students
Combined / other
0
schools
LARGEST DISTRICT
THAYER R-II
780 students · 4 districts in Oregon County
County vs. school enrollment demographics
Left bar is the racial makeup of Oregon County residents (Census ACS 5-year). Right bar is the enrollment-weighted makeup of public schools in the county (NCES CCD). NCES systematically under-reports Hispanic, Pacific Islander, and Native American enrollment for many schools; where the resident share is meaningful but the reported school share is zero, we mark the school bar "not reported".
County residents
School enrollment
Bachelor's+
12.6%
adults 25+
Poverty rate
21.6%
ACS 5-year
Unemployment
5.2%
civilian labor
Median age
45
23.2% under 18
Test scores in Oregon County
Latest 2024-25 ELA proficiency, 5 schools ranked. Missouri state average: 49.5%.
Top 5 schools (ELA)
- Alton High· 60.8%
- KOSHKONONG ELEM.· 59.3%
- THAYER SR. HIGH· 44.4%
- Alton Elementary· 39.8%
- THAYER ELEM.· 11.2%
| Name | City | Level | Grades | Enrollment | Rating |
|---|---|---|---|---|---|
| THAYER ELEM. | Thayer | Elementary | PK-06 | 421 | · |
| THAYER SR. HIGH | Thayer | High | 07-12 | 359 | · |
| Alton Elementary | Alton | Elementary | PK-05 | 290 | · |
| Alton High | Alton | High | 06-12 | 281 | · |
| KOSHKONONG ELEM. | Koshkonong | Elementary | PK-08 | 127 | · |
| COUCH ELEM. | Myrtle | Elementary | PK-06 | 94 | · |
| COUCH HIGH | Myrtle | High | 07-12 | 92 | · |
| KOSHKONONG HIGH | Koshkonong | High | 09-12 | 86 | · |
Cities in Oregon County
About Oregon County
Oregon County is a low-population county of about 8,673 residents in Missouri. Its public-school system enrolls approximately 1,750 students across 8 schools.
For perspective, census numbers show median household income runs near $43,069, 13% of adults hold a bachelor's degree or higher, and roughly 22% of residents live below the federal poverty line. That income level is 30% below the Missouri median.
On the school-mix side, Oregon County spans 4 elementary schools (932 students), and 4 high schools (818).
THAYER R-II is the biggest district by enrollment, covering about 780 students across Oregon County.
Looking at the last 7 years. Across the same 7-year window, public-school enrollment fell 8%: 1,901 students in SY 2017-18 versus 1,750 in SY 2024-25.
Within the allk12 community for this area, the community for Oregon County discusses open enrollment windows, redistricting talk, and busing logistics. Parents, students, and educators in the area can post or comment.
Frequently asked questions
Oregon County school rankings
DATA · Census ACS 5-year · NCES Common Core of Data