Enrollment
269
High
DISTRICT 281 · STATE 501
SCHOOL COMMUNITY·CHAFFEE R-II·NCES 290846000248
CHAFFEE JR.-SR. HIGH
517 W YOAKUM AVE, CHAFFEE, MO 63740 · (573) 887-3226 · Scott County
GRADES 07–12HIGH42-RURALTITLE IREGULAR SCHOOL269 STUDENTS
Student : Teacher
11.2:1
24 FTE teachers
DISTRICT 10.8:1 · STATE 12.2:1
Free / Reduced Lunch
55%
147 students
DISTRICT 59% · 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
Student demographics
Student head counts by race/ethnicity from federal NCES enrollment data. 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 CHAFFEE R-II. Attendance zones can vary; confirm enrollment with the district.
Test scores
MO DVT (Growth) 2024-25 . Growth Percentile vs PeersEnglish Language Arts
19.6%
MO avg 49.5% . -17.0pp since 2023
What this means: On the MO DVT (Growth), Missouri's statewide test, about 20 of every 100 students at this school read and write at grade level. The Missouri average is about 50 of 100. Reading and writing scores are down about 17 points since 2023.
Source: MO DVT (Growth). 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
42.2%
composite math + reading, all grades
Predicted
50.3%
based on MO schools with similar FRL share
Beats by
-8.0pp
below demographic expectation
What this means: About 42% of students here test proficient in math and reading, compared with the roughly 50% 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 →
7-year change
SY 2017-18 vs SY 2024-25Enrollment
269
-18 (-6%) vs 2017
Student : Teacher
11.2:1
was 13.4:1
% White
96%
was 95%
% Hispanic
1%
was 1%
% Black
1%
was 3%
Source: NCES Common Core of Data
About CHAFFEE JR.-SR. HIGH
Located at 517 W YOAKUM AVE, in CHAFFEE, Missouri, CHAFFEE JR.-SR. HIGH is a compact four-year high school that works with 269 students (grades 7 through 12), one of the schools within CHAFFEE R-II. That puts it 46% leaner than the typical public school in Missouri, which averages around 501 students.
CHAFFEE R-II runs 2 schools in total, collectively educating 562 students. CHAFFEE JR.-SR. HIGH is one of those campuses.
On demographics, CHAFFEE JR.-SR. HIGH shows that 96% of students identify as White, making the school strongly White-majority. That is meaningfully more White than the county at large, where the share is closer to 82%.
In terms of school funding signals, On paper, CHAFFEE JR.-SR. HIGH has 24 full-time-equivalent teachers, translating to a class-load average of around 11.2:1. That figure is tighter than the state norm's 12.2:1 average. About 55% of enrolled students meet the income threshold for free or reduced-price lunch, a commonly cited indicator of low-income enrollment. By comparison, Scott County runs at roughly 78%, so the school's eligibility rate is meaningfully below the surrounding baseline.
Adjusting for the school's free-and-reduced-lunch share, CHAFFEE JR.-SR. HIGH sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 50.3%; this one delivers 42.2%.
In the area at large, community-level numbers for Scott County indicate the typical household earns roughly $62,782 per year, roughly 22% of adults have completed at least a four-year degree, and roughly 9% of residents live below the federal poverty line. Across Scott County's 22 public schools (combined enrollment of about 5,999 students), CHAFFEE JR.-SR. HIGH is one campus in the mix.
Nearest neighbor: CHAFFEE ELEM., around 0.4 miles off. 3 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, CHAFFEE JR.-SR. HIGH comes 7th of 9 in the immediate cluster, beneath the nearby-schools average of 44.1%.
Geographically, the school is in a low-density area.
Five-year trend. Over the past 7-year window, the student count contracted 6%: 287 students in 2018 compared to 269 in 2025. Class-load math has narrowed: from 13.4:1 in 2018 to 11.2:1 in 2025.
On this page, members of the CHAFFEE JR.-SR. HIGH community share and discuss fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.
Scott County at a glance
View full county profilePopulation
37,933
Census ACS
Median income
$62,782
Household, ACS
Bachelor's+
22%
Adults 25+
Poverty rate
9%
Below federal line
Schools in county
22
5,999 students
Quick facts
Related schools
Nearby schools
- CHAFFEE ELEM.0.4 mi · 293
- DELTA HIGH4.1 mi · 117
- DELTA ELEM.4.2 mi · 108
- KELSO ELEM.5.8 mi · 199
- ORAN HIGH SCHOOL6.6 mi · 165
- ORAN ELEMENTARY SCHOOL6.6 mi · 139
Frequently asked questions
About CHAFFEE JR.-SR. HIGHHow many students attend CHAFFEE JR.-SR. HIGH?
CHAFFEE JR.-SR. HIGH enrolls approximately 269 students in grades 07-12.
What grades does CHAFFEE JR.-SR. HIGH serve?
CHAFFEE JR.-SR. HIGH serves grades 07-12.
What is the student-teacher ratio at CHAFFEE JR.-SR. HIGH?
The student-to-teacher ratio at CHAFFEE JR.-SR. HIGH is approximately 11.2:1 (24 FTE teachers).
What is the racial breakdown of students at CHAFFEE JR.-SR. HIGH?
At CHAFFEE JR.-SR. HIGH, the student body is approximately 96% White, 1% Hispanic, 1% Black, 2% Two or more.
What district is CHAFFEE JR.-SR. HIGH in?
CHAFFEE JR.-SR. HIGH is part of CHAFFEE R-II.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.