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What's one thing ST. CHARLES HIGH gets right about preparing students for what comes next?
Community prompt from u/allk12. Replies below.
Enrollment
782
High
DISTRICT 714 · STATE 501
SCHOOL COMMUNITY·ST. CHARLES R-VI·NCES 292892001848
ST. CHARLES HIGH
725 N KINGSHIGHWAY ST, ST CHARLES, MO 63301 · (636) 443-4100 · St. Charles County
GRADES 09–12HIGH13-CITYREGULAR SCHOOL782 STUDENTS
B
allk12 Grade
Scored higher than 55% of Missouri public high schools
- B+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- BBeats 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
10.6:1
74 FTE teachers
DISTRICT 10.5:1 · STATE 12.2:1
Free / Reduced Lunch
38%
301 students
DISTRICT 41% · STATE 54%
Community
1
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 9 | 184 | 24% |
| Grade 10 | 186 | 24% |
| Grade 11 | 222 | 28% |
| Grade 12 | 190 | 24% |
Student demographics
47%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 51% · 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
Test scores
MAP 2024-25 . % Proficient + AdvancedEnglish Language Arts
55.4%
MO avg 44.9% . -7.0pp since 2021
Math
44.4%
MO avg 43.8% . -6.7pp since 2021
What this means: On the MAP, Missouri's statewide test, about 55 of every 100 students at this school read and write at grade level and about 44 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 7 points since 2021, while math scores are down about 7 points.
Performance levels, 2024-25
| Subject | Advanced | Proficient | Basic | Below Basic |
|---|---|---|---|---|
| English Language Arts | 9.8% | 45.6% | 30.8% | 13.5% |
| Math | 21.2% | 23.2% | 29.6% | 25.8% |
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 | 55.4% | 44.4% |
| 2023-24 | 47.5% | 41.0% |
| 2022-23 | 56.7% | 55.0% |
| 2021-22 | 62.4% | 51.1% |
% 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
42.2%
composite math + reading, all grades
Predicted
45.5%
based on MO schools with similar FRL share
Beats by
-3.3pp
below demographic expectation
What this means: About 42% of students here test proficient in math and reading, compared with the roughly 45% 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 ST. CHARLES HIGH
ST. CHARLES HIGH's state test result (42.2% proficient) is higher than 3 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| ST. CHARLES HIGH this school | 782 | 38.5% | 42.2% |
| WRIGHT CITY HIGH WRIGHT CITY | 566 | 42.8% | 39.3% |
| FORT OSAGE HIGH INDEPENDENCE | 1,545 | 42.9% | 32.9% |
| BENTON HIGH ST JOSEPH | 682 | 46.9% | 29.8% |
| WAYNESVILLE SR. HIGH WAYNESVILLE | 1,719 | 40.1% | 43.4% |
| CAPITAL CITY HIGH SCHOOL JEFFERSON CITY | 1,314 | 42.5% | 43.8% |
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 ST. CHARLES HIGH ranks
Among high schools| Measure | This school | In Missouri | In St. Charles County |
|---|---|---|---|
| State test proficiency ranked highest first | 42.2% | #153 of 443 | #14 of 14 |
| Math proficiency ranked highest first | 44.4% | #168 of 453 ▼ 2 | #13 of 14 ▲ 1 |
| Reading proficiency ranked highest first | 55.4% | #128 of 382 ▲ 43 | #14 of 14 no change |
| 3-year test score change ranked biggest drop first | -6.9pp | #37 of 231 | #1 of 13 |
| Enrollment ranked largest first | 782 | #120 of 561 | #12 of 14 |
| Students per teacher ranked fewest first | 10.6:1 | #25 of 343 | #2 of 14 |
| Diversity index ranked most diverse first | 47.0% | #85 of 343 | #4 of 14 |
| Free and reduced lunch ranked highest share first | 38.5% | #287 of 455 | #1 of 14 |
| Enrollment change since 2017-18 ranked steepest decline first | -6.9% | #109 of 187 | #6 of 9 |
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
782
+4 (+1%) vs 2020
-10% since 1990-91, when it was 871
Student : Teacher
10.6:1
was 11.6:1
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 | 782 | 73.8 | 10.6:1 | 38% (301) |
| 2023-24 | 785 | 70.6 | 11.1:1 | 31% (241) |
| 2022-23 | 817 | 73.6 | 11.1:1 | 43% (349) |
| 2020-21 | 778 | 67 | 11.6:1 | 40% (313) |
| 2017-18 | 840 | 67.7 | 12.4:1 | 32% (272) |
| 2015-16 | 821 | 64 | 12.8:1 | 36% (293) |
| 2010-11 | 875 | 67 | 13.1:1 | 29% (256) |
| 2000-01 | 1,115 | 70 | 15.9:1 | 13% (145) |
| 1990-91 | 871 | 57 | 15.3:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for ST. CHARLES HIGH.
Since 2017-18: students down 7% (840 to 782); teachers up 9% (67.7 to 73.8).
About ST. CHARLES HIGH
Families in ST CHARLES, Missouri, are served by ST. CHARLES HIGH, a large high school. A total of 782 students attend the school, which covers grades 9 through 12. The average for high schools in Missouri is about 501 students, so this school is 56% above average.
ST. CHARLES R-VI runs 11 schools with a combined 4,732 students. ST. CHARLES HIGH is one of them.
ST. CHARLES HIGH's enrollment is 70% White. Next come 14% Hispanic and 14% Black. That compares with about 84% White among all St. Charles County residents. By the diversity index, ST. CHARLES HIGH comes in at 47%.
ST. CHARLES HIGH operates with 73.8 full-time-equivalent teachers, a ratio of about 10.6:1. For comparison, high schools in Missouri average 12.2:1. About 38% of students at the school meet free or reduced-price lunch income limits. The 19% average for public schools in St. Charles County is 19 points lower.
allk12 grades ST. CHARLES HIGH a B. The grade compares the school only with Missouri public high schools, because each state gives its own test.
ST. CHARLES HIGH is 3.3 points below its predicted average proficiency rate on state tests (42.2% versus 45.5%), which places it in neither the top nor the bottom 10% in Missouri.
In St. Charles County (population about 414,535), median household income is about $104,692, roughly 43% of adults have a four-year degree or more, and about 4% of residents live below the federal poverty line. ST. CHARLES HIGH is one of 93 public schools in St. Charles County, which together enroll about 59,314 students.
The shortest distance from ST. CHARLES HIGH to another public school is about 0.4 miles, to HARDIN MIDDLE. The five-mile area around ST. CHARLES HIGH holds at least 8 other public schools. The school's 42.2% average proficiency ranks 6th among 8 nearby schools.
Locale: City: Small. In NCES terms, the school is inside a principal city with a population under 100,000.
Enrollment was essentially flat over 4 years: 778 in 2020-21, 782 in 2024-25. Staffing shifted too: the ratio moved from 11.6:1 to 10.6:1.
Questions about science fairs, picture day, and bus routes can be posted here. Reviews and ratings from people who know the school are welcome.
St. Charles County at a glance
View full county profilePopulation
414,535
Census ACS
Median income
$104,692
Household, ACS
Bachelor's+
43%
Adults 25+
Poverty rate
4%
Below federal line
Schools in county
93
59,314 students
Quick facts
Related schools
Other schools in ST. CHARLES R-VI
- JEFFERSON INTERMEDIATE SCHOOLMiddle · 706 students
- HARDIN MIDDLEMiddle · 676 students
- ST. CHARLES WEST HIGHHigh · 645 students
- HARRIS ELEM.Elementary · 408 students
- MONROE ELEM.Elementary · 366 students
- COVERDELL ELEM.Elementary · 291 students
Other schools in ST CHARLES
- FRANCIS HOWELL HIGHHigh · 1,843 students
- FRANCIS HOWELL CENTRAL HIGHHigh · 1,750 students
- FRANCIS HOWELL NORTH HIGHHigh · 1,716 students
- CENTRAL ELEM.Elementary · 865 students
- CASTLIO ELEM.Elementary · 847 students
- BRYAN MIDDLEMiddle · 827 students
Other St. Charles High schools
One other US public school is named St. Charles High. ST. CHARLES HIGH is the 2nd largest of the 2.
- St. Charles High SchoolWaldorf, MD · 1,617 students
Nearby schools
- HARDIN MIDDLE0.4 mi · 676
- BLACKHURST ELEMENTARY0.4 mi · 227
- LINCOLN ELEM.0.8 mi · 160
- COVERDELL ELEM.1.0 mi · 291
- ST.CHARLES EARLY CHILDHOOD CTR1.4 mi · 238
- GEORGE M. NULL ELEM.1.5 mi · 233
Frequently asked questions
About ST. CHARLES HIGHWhat is the total enrollment at ST. CHARLES HIGH?
ST. CHARLES HIGH enrolls approximately 782 students in grades 09-12.
Is ST. CHARLES HIGH an elementary, middle, or high school?
ST. CHARLES HIGH is a high school covering grades 09-12.
What is the student-teacher ratio at ST. CHARLES HIGH?
The student-to-teacher ratio at ST. CHARLES HIGH is approximately 10.6:1 (74 FTE teachers).
What is the student diversity at ST. CHARLES HIGH?
Student demographics at ST. CHARLES HIGH are roughly 70% White, 14% Hispanic, 14% Black, 1% Asian, 1% Two or more.
Who oversees ST. CHARLES HIGH?
ST. CHARLES HIGH is overseen by ST. CHARLES R-VI in St. Charles County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.