Excellent
#15 of 2,216 schools in MO
Top 1% in state
St. Charles High
High School · ST. CHARLES R-VI
725 N KINGSHIGHWAY ST, St. Charles, MO 63301
Enrollment
785
Student-Teacher
11.2:1
Score
9.4
Grades
9th – 12th
Enrollment
785
Student-Teacher
11.2:1
Score
9.4
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In St. Charles
#2 of 27
public schools
Missouri high schools
#2 of 532
In district
#2 of 11
ST. CHARLES R-VI
Academic growth
9.7 / 10
Exceptional
About St. Charles High
St. Charles High School is a grades 9–12 public school in St. Charles, Missouri, enrolling 785 students with a student-teacher ratio of 11.2:1.
It earns a composite score of 9.4 out of 10, rating Exceptional overall, with academic performance scored at 8.9 and student growth at an especially strong 9.7. Those numbers translate into a clear statewide standing. St.
Charles High ranks #2 among all 532 public high schools in Missouri, placing it among the top fraction of a percent of secondary schools in the state. It also holds the #15 spot across all 2,216 Missouri public schools regardless of level, outperforming 99% of them. Locally, it ranks #2 of 27 schools in St.
Charles. The 9.7 growth score is worth particular attention for families evaluating long-term academic progress. Growth measures how much students advance relative to peers who started at similar levels — a high score signals that students consistently gain ground year over year, not just that the incoming class tests well.
Combined with the strong academic score and a student-teacher ratio that keeps classes small, St. Charles High presents a compelling option for families seeking a rigorous, high-performing public high school in the St. Charles area.
What's said publicly about St. Charles High
Synthesized from public, attributable sources. Updated May 2026.
Sources (1)
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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St. Charles High — Students at St. Charles High score 57% proficient, which is above what's typical for similar communities (expected: 48%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
30.7%
Students qualifying for federal meal assistance
Test Scores MO EDFACTS (2021-22)
Based on 6 test records from MO state assessments. About our data
Proficiency Trend
↑ ImprovingAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.7/10.
How St. Charles High Compares
See how St. Charles High performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has improved from 37% (2019) to 52% (2022). Reading/ELA proficiency has improved from 57% (2019) to 62% (2022).
Location
725 N KINGSHIGHWAY ST, St. Charles, MO 63301
Nearby Alternatives
Families considering St. Charles High may also want to explore other high schools in the area. ST. CHARLES WEST HIGH (rated 8.3/10, 2.4 miles away), a more accessible option. Another option is DUCHESNE HIGH SCHOOL (rated 7.8/10, 0.8 miles away), a more accessible option. Additionally, PATTONVILLE SR. HIGH (rated 6.0/10, 3.9 miles away, in nearby Maryland Heights), a more accessible option. For more schools in St. Charles, see our St. Charles schools guide .
Nearby Schools
20 within 4.1 mi| School | Distance | Rating |
|---|---|---|
| HARDIN MIDDLE St. Charles | 0.4 mi | 8.7 |
| IMMANUEL LUTHERAN SCHOOL St. Charles | 0.5 mi | 6.6 |
| BLACKHURST ELEMENTARY St. Charles | 0.4 mi | 5.4 |
| ACADEMY OF THE SACRED HEART St. Charles | 0.5 mi | 8.0 |
| LINCOLN ELEM. St. Charles | 0.8 mi | 9.8 |
| DUCHESNE HIGH SCHOOL St. Charles | 0.8 mi | 7.8 |
| COVERDELL ELEM. St. Charles | 1.0 mi | 7.1 |
| ST.CHARLES EARLY CHILDHOOD CTR St. Charles | 1.4 mi | 7.7 |
| GEORGE M. NULL ELEM. St. Charles | 1.5 mi | 5.8 |
| Discovery Elementary St. Charles | 2.0 mi | 6.8 |
| Early Learning Center St. Charles | 2.8 mi | 6.5 |
| JEFFERSON INTERMEDIATE SCHOOL St. Charles | 2.4 mi | 6.5 |
| ST. CHARLES WEST HIGH St. Charles | 2.4 mi | 8.3 |
| MONROE ELEM. St. Charles | 2.4 mi | 6.8 |
| ST CLETUS SCHOOL St. Charles | 2.6 mi | 6.5 |
| HARVEST RIDGE ELEM. St. Charles | 3.3 mi | 5.4 |
| Orchard Farm High School St. Charles | 3.7 mi | 4.0 |
| SETON REGIONAL CATHOLIC SCHOOL St. Charles | 3.0 mi | 5.6 |
| PATTONVILLE SR. HIGH Maryland Heights | 3.9 mi | 6.0 |
| ROSE ACRES ELEM. Maryland Heights | 4.1 mi | 8.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 63301 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$83,551
Median Home Value
$249,400
Median Rent
$1,093/mo
Population
51,625
College Educated
38.5%
Homeownership
70%
Avg Commute
22.2 min
Poverty Rate
6.8%
Median Age
37.8
Community Profile
The community surrounding St. Charles High has a median household income of $83,551. It is an area where 39% of adults hold a bachelor's degree or higher. The median home value in the area is $249,400, with a median rent of $1,093/month. The local poverty rate of 6.8% is relatively low. The average commute for residents is 22 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| CLAYTON HIGH Clayton, MO | 8.5 |
| DONIPHAN HIGH Doniphan, MO | 8.3 |
| ST. CHARLES WEST HIGH St. Charles, MO | 8.3 |
| ELDON HIGH Eldon, MO | 8.0 |
| SOUTH TECHNICAL Sunset Hills, MO | — |
Frequently Asked Questions
Common questions about St. Charles High
What grades does St. Charles High serve?
St. Charles High serves students in grades 9th through 12th.
How many students attend St. Charles High?
St. Charles High has an enrollment of approximately 785 students.
What is the student-teacher ratio at St. Charles High?
The student-teacher ratio at St. Charles High is 11.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does St. Charles High rank in MO?
St. Charles High is ranked #15 out of 2,216 schools in MO.
What is St. Charles High's MySchoolScout rating?
St. Charles High has a composite rating of 9.4 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at St. Charles High?
Based on the most recent state assessment data, St. Charles High has 43.7% math proficiency and 57.7% reading/ELA proficiency.
Is St. Charles High a charter school?
No, St. Charles High is not a charter school. It is a traditional public school operated by the local school district.
Is St. Charles High a Title I school?
No, St. Charles High is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for St. Charles High?
30.7% of students at St. Charles High qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (St. Charles). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 785
- Student-Teacher Ratio
- 11.2:1
- Teachers (FTE)
- 70
- Free/Reduced Lunch
- 30.7%
- Type
- regular
- Setting
- Small City
- County
- St. Charles County
- Phone
- (636) 443-4100
- Data Year
- 2023–2024
Resources & Links
District
ST. CHARLES R-VI- District Enrollment
- 4,700
- Schools in District
- 12
- Per-Pupil Spending
- $18,445
- District Rank
- #2 of 11
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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