Enrollment
281
High
DISTRICT 286 · STATE 501
SCHOOL COMMUNITY·ALTON R-IV·NCES 290306000016
Alton High
505 School Street, Alton, MO 65606 · (417) 778-7215 · Oregon County
GRADES 06–12HIGH43-RURALTITLE IREGULAR SCHOOL281 STUDENTS
C+
allk12 Grade
Scored higher than 42% of Missouri public high schools
- CTest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- C+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- A-Three-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
9.2:1
30 FTE teachers
DISTRICT 9.8:1 · STATE 12.2:1
Free / Reduced Lunch
57%
160 students
DISTRICT 64% · 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 6 | 40 | 14% |
| Grade 7 | 39 | 14% |
| Grade 8 | 52 | 19% |
| Grade 9 | 41 | 15% |
| Grade 10 | 45 | 16% |
| Grade 11 | 28 | 10% |
| Grade 12 | 36 | 13% |
Student demographics
6%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 6% · 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 ALTON R-IV. Attendance zones can vary; confirm enrollment with the district.
Test scores
MAP 2024-25 . % Proficient + AdvancedEnglish Language Arts
42.6%
MO avg 44.9% . +8.3pp since 2021
Math
36.4%
MO avg 43.8% . +11.1pp 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 36 of 100 do math at grade level. Across all Missouri schools, those numbers are about 45 and 44. Reading and writing scores are up about 8 points since 2021, while math scores are up about 11 points.
Performance levels, 2024-25
| Subject | Advanced | Proficient | Basic | Below Basic |
|---|---|---|---|---|
| English Language Arts | 14.0% | 28.6% | 38.8% | 18.4% |
| Math | 12.8% | 23.6% | 37.1% | 26.3% |
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 | 42.6% | 36.4% |
| 2023-24 | 36.1% | 24.3% |
| 2022-23 | 33.2% | 24.3% |
| 2021-22 | 34.3% | 25.3% |
% 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
31.1%
composite math + reading, all grades
Predicted
38.6%
based on MO schools with similar FRL share
Beats by
-7.4pp
below demographic expectation
What this means: About 31% of students here test proficient in math and reading, compared with the roughly 39% 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 Alton High
Alton High's state test result (31.1% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Alton High this school | 281 | 56.9% | 31.1% |
| CHAFFEE JR.-SR. HIGH CHAFFEE | 269 | 54.6% | 23.1% |
| ELLINGTON HIGH SCHOOL ELLINGTON | 223 | 57.0% | 32.2% |
| LINCOLN HIGH LINCOLN | 248 | 55.2% | 38.5% |
| WINDSOR HIGH WINDSOR | 334 | 56.9% | 16.6% |
| STEELVILLE HIGH STEELVILLE | 278 | 54.0% | 31.9% |
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 Alton High ranks
Among high schools| Measure | This school | In Missouri |
|---|---|---|
| State test proficiency ranked highest first | 31.1% | #300 of 443 |
| Math proficiency ranked highest first | 36.4% | #244 of 453 ▲ 81 |
| Reading proficiency ranked highest first | 42.6% | #253 of 382 ▲ 34 |
| 3-year test score change ranked biggest gain first | +9.7pp | #38 of 231 |
| Enrollment ranked largest first | 281 | #269 of 561 |
| Students per teacher ranked fewest first | 9.2:1 | #5 of 343 |
| Diversity index ranked most diverse first | 6.3% | #329 of 343 |
| Free and reduced lunch ranked highest share first | 56.9% | #131 of 455 |
| Enrollment change since 2017-18 ranked steepest decline first | -6.3% | #115 of 187 |
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
281
-39 (-12%) vs 2020
-22% since 1990-91, when it was 359
Student : Teacher
9.2:1
was 11.0:1
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 | 281 | 30.5 | 9.2:1 | 57% (160) |
| 2023-24 | 313 | 33 | 9.5:1 | 57% (177) |
| 2022-23 | 336 | 29.5 | 11.4:1 | 59% (199) |
| 2020-21 | 320 | 29 | 11.0:1 | 54% (174) |
| 2017-18 | 300 | 27.5 | 10.9:1 | 60% (180) |
| 2015-16 | 301 | 26 | 11.6:1 | 63% (189) |
| 2010-11 | 350 | 28 | 12.5:1 | 65% (229) |
| 2000-01 | 322 | 27 | 11.9:1 | 58% (188) |
| 1990-91 | 359 | 26 | 13.8:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Alton High.
Since 2017-18: students down 6% (300 to 281); teachers up 11% (27.5 to 30.5).
About Alton High
As a small high school, Alton High serves students in Alton, Missouri. A total of 281 students attend the school, which covers grades 6 through 12. The average for high schools in Missouri is about 501 students, so this school is 44% smaller than average.
The 2 schools of ALTON R-IV, including Alton High, enroll 571 students.
White students are the large majority at Alton High, with 97% of enrollment. Next come 2% Hispanic. The White share in Oregon County as a whole is similar, at about 93%. By the diversity index, Alton High comes in at 6%.
Teachers at Alton High total 30.5 full-time equivalents, and the ratio is 9.2:1. The 12.2:1 average for high schools in Missouri is higher than this school's figure. The school counts 160 students as eligible for free or reduced-price lunch, or 57%.
allk12 grades Alton High a C+. The grade compares the school only with Missouri public high schools, because each state gives its own test.
Based on student poverty, the model expects 38.6% at Alton High; the school's average proficiency rate on state tests is 31.1%.
Among Oregon County residents, median household income is about $43,069, 13% of adults hold a bachelor's degree or higher, and about 22% of people live in poverty. Federal data list 8 public schools in Oregon County, with a combined enrollment of about 1,750.
Alton Elementary is located less than a tenth of a mile from Alton High. In a group of 9 nearby schools with scores, Alton High ranks 7th on average proficiency.
Alton High falls in the Rural: Remote locale category, used for schools in rural territory far from an urban area.
Alton High saw enrollment fall 12% between 2020-21 and 2024-25. Its ratio of students to teachers was 11.0:1 in 2020-21, and 9.2:1 in 2024-25.
If you have questions about sports schedules, lunch menus, and spirit week at Alton High, you can post them here. Posting is open to anyone connected to the school.
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
Other Alton High schools
One other US public school is named Alton High. Alton High is the 2nd largest of the 2.
- Alton High SchoolAlton, IL · 1,823 students
Nearby schools
- Alton Elementary0.0 mi · 290
- COUCH HIGH11.5 mi · 92
- COUCH ELEM.11.5 mi · 94
- THAYER SR. HIGH13.6 mi · 359
- THAYER ELEM.13.6 mi · 421
- KOSHKONONG HIGH15.0 mi · 86
Frequently asked questions
About Alton HighWhat is the total enrollment at Alton High?
Alton High enrolls approximately 281 students in grades 06-12.
What age range does Alton High serve?
Alton High serves students from grade 06 through grade 12.
How many students per teacher at Alton High?
Approximately 9.2:1 students per teacher at Alton High.
What is the racial breakdown of students at Alton High?
At Alton High, the student body is approximately 97% White, 2% Hispanic, 0% Black, 1% Two or more.
Is Alton High public or private?
Alton High is a public K-12 school, overseen by ALTON R-IV.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.