Enrollment
359
High
DISTRICT 390 · STATE 501
SCHOOL COMMUNITY·THAYER R-II·NCES 293027002069
THAYER SR. HIGH
401 E WALNUT ST, THAYER, MO 65791 · (417) 264-4600 · Oregon County
GRADES 07–12HIGH43-RURALTITLE IREGULAR SCHOOL359 STUDENTS
B+
allk12 Grade
Scored higher than 73% of Missouri public high schools
- A-Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ABeats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- DThree-year trend Change in reading and math proficiency over the last three test years.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Missouri public high schools
Student : Teacher
11.8:1
30 FTE teachers
DISTRICT 11.5:1 · STATE 12.2:1
Free / Reduced Lunch
54%
195 students
DISTRICT 56% · STATE 54%
Community
0
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 7 | 54 | 15% |
| Grade 8 | 73 | 20% |
| Grade 9 | 62 | 17% |
| Grade 10 | 58 | 16% |
| Grade 11 | 52 | 14% |
| Grade 12 | 60 | 17% |
Student demographics
9%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 10% · STATE 52% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
School pathway
Feeds from
Based on grade levels within THAYER R-II. Attendance zones can vary; confirm enrollment with the district.
Test scores
MAP 2024-25 . % Proficient + AdvancedEnglish Language Arts
43.1%
MO avg 44.9% . -13.5pp since 2021
Math
42.8%
MO avg 43.8% . -12.6pp since 2021
What this means: On the MAP, Missouri's statewide test, about 43 of every 100 students at this school read and write at grade level and about 43 of 100 do math at grade level. Across all Missouri schools, those numbers are about 45 and 44. Reading and writing scores are down about 14 points since 2021, while math scores are down about 13 points.
Performance levels, 2024-25
| Subject | Advanced | Proficient | Basic | Below Basic |
|---|---|---|---|---|
| English Language Arts | 15.3% | 27.8% | 41.4% | 15.3% |
| Math | 17.8% | 25.0% | 31.6% | 25.5% |
Share of tested students at each MAP level. Each student counts in one level, so a row adds to about 100%.
MAP results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 43.1% | 42.8% |
| 2023-24 | 54.5% | 44.3% |
| 2022-23 | 60.9% | 53.4% |
| 2021-22 | 56.6% | 55.4% |
% Proficient + Advanced, all students and all tested grades.
Source: MAP. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
46.6%
composite math + reading, all grades
Predicted
39.5%
based on MO schools with similar FRL share
Beats by
+7.1pp
above demographic expectation
What this means: About 47% of students here test proficient in math and reading, compared with the roughly 40% typical for Missouri schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Missouri's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like THAYER SR. HIGH
THAYER SR. HIGH's state test result (46.6% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| THAYER SR. HIGH this school | 359 | 54.3% | 46.6% |
| WINDSOR HIGH WINDSOR | 334 | 56.9% | 16.6% |
| MORGAN CO. HIGH VERSAILLES | 377 | 51.7% | 37.6% |
| STEELVILLE HIGH STEELVILLE | 278 | 54.0% | 31.9% |
| WEST COUNTY HIGH PARK HILLS | 332 | 53.0% | 37.0% |
| Alton High Alton | 281 | 56.9% | 31.1% |
Matched among Missouri high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where THAYER SR. HIGH ranks
Among high schools| Measure | This school | In Missouri |
|---|---|---|
| State test proficiency ranked highest first | 46.6% | #106 of 443 |
| Math proficiency ranked highest first | 42.8% | #179 of 453 ▼ 38 |
| Reading proficiency ranked highest first | 43.1% | #246 of 382 ▼ 87 |
| 3-year test score change ranked biggest drop first | -13.1pp | #12 of 231 |
| Enrollment ranked largest first | 359 | #230 of 561 |
| Students per teacher ranked fewest first | 11.8:1 | #70 of 343 |
| Diversity index ranked most diverse first | 8.6% | #313 of 343 |
| Free and reduced lunch ranked highest share first | 54.3% | #151 of 455 |
| Enrollment change since 2017-18 ranked fastest growth first | +10.8% | #67 of 151 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
359
+38 (+12%) vs 2020
+34% since 1990-91, when it was 268
Student : Teacher
11.8:1
was 11.1:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 359 | 30.3 | 11.8:1 | 54% (195) |
| 2023-24 | 345 | 28 | 12.3:1 | 52% (179) |
| 2022-23 | 343 | 27.4 | 12.5:1 | 50% (171) |
| 2020-21 | 321 | 29 | 11.1:1 | 55% (175) |
| 2017-18 | 324 | 25.7 | 12.6:1 | 57% (186) |
| 2015-16 | 304 | 23 | 13.2:1 | 60% (181) |
| 2010-11 | 324 | 24 | 13.5:1 | 53% (172) |
| 2000-01 | 268 | 24 | 11.2:1 | 41% (111) |
| 1990-91 | 268 | 20 | 13.4:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for THAYER SR. HIGH.
Since 2017-18: students up 11% (324 to 359); teachers up 18% (25.7 to 30.3).
About THAYER SR. HIGH
THAYER SR. HIGH is a public high school run by THAYER R-II in THAYER, Missouri. Enrollment in 2024-25 was 359 students in grades 7 through 12. The average for high schools in Missouri is about 501 students, so this school is 28% smaller than average.
THAYER R-II includes 2 schools. Together they enroll 780 students.
The large majority of students at THAYER SR. HIGH, 96%, are White. The rest of enrollment is 3% Hispanic. That is close to the 93% White share among all Oregon County residents. The chance that two students picked at random at THAYER SR. HIGH belong to different racial or ethnic groups, known as the diversity index, is 9%.
Its teaching staff equals 30.3 full-time positions, a ratio of 11.8:1. Across high schools in Missouri, the average ratio is about 12.2:1. Around 54% of the school's students qualify for free or reduced-price meals. Among public schools in Oregon County, the average eligibility rate is 62%.
THAYER SR. HIGH is graded B+ by allk12, scoring above 73% of Missouri public high schools once test results, poverty-adjusted performance, and the recent trend are combined.
The school's average proficiency rate on state tests is 46.6%. For its free or reduced-price lunch share, the predicted value is 39.5%.
In Oregon County (population about 8,673), median household income is about $43,069, the share of adults with a bachelor's degree or higher is 13%, and about 22% of people live in poverty. A total of 8 public schools operate in Oregon County, serving about 1,750 students.
The school nearest to THAYER SR. HIGH is THAYER ELEM., at a distance of less than a tenth of a mile. Within five miles of THAYER SR. HIGH, there are 3 other public schools. On average proficiency, THAYER SR. HIGH is 5th of 9 nearby schools with test data.
THAYER SR. HIGH is coded as Rural: Remote in federal locale data.
From 2020-21 to 2024-25, THAYER SR. HIGH went from 321 students to 359.
Threads on this page can be about enrollment questions, class placement, and PTA news. Alumni can share how the school prepared them.
Oregon County at a glance
View full county profilePopulation
8,673
Census ACS
Median income
$43,069
Household, ACS
Bachelor's+
13%
Adults 25+
Poverty rate
22%
Below federal line
Schools in county
8
1,750 students
Quick facts
Related schools
Nearby schools
- THAYER ELEM.0.1 mi · 421
- MAMMOTH SPRING ELEMENTARY SCHOOL2.4 mi · 274
- MAMMOTH SPRING HIGH SCHOOL2.4 mi · 198
- KOSHKONONG HIGH8.3 mi · 86
- KOSHKONONG ELEM.8.3 mi · 127
- COUCH ELEM.12.3 mi · 94
Frequently asked questions
About THAYER SR. HIGHWhat is the total enrollment at THAYER SR. HIGH?
THAYER SR. HIGH enrolls approximately 359 students in grades 07-12.
What age range does THAYER SR. HIGH serve?
THAYER SR. HIGH serves students from grade 07 through grade 12.
How many students per teacher at THAYER SR. HIGH?
Approximately 11.8:1 students per teacher at THAYER SR. HIGH.
What is the student diversity at THAYER SR. HIGH?
Student demographics at THAYER SR. HIGH are roughly 96% White, 3% Hispanic, 1% Black, 0% Asian.
Is THAYER SR. HIGH public or private?
THAYER SR. HIGH is a public K-12 school, overseen by THAYER R-II.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.