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St. Charles R-VI
St. Charles High

St. Charles R-VI

St. Charles High

St Charles, Missouri

817 students

High School, Grades 9–12

(636)443-4100School Website

817

Students

11.1:1

S:T Ratio

School Snapshot
Key metrics at a glance
Avg ACT Score

20

B-

out of 36
Average
AP Courses

7

B

courses offered
Average
AP Enrollment

23%

C

of students
Good
Student-Teacher Ratio

11:1

A

students per teacher
Excellent
This Week at St. Charles High – April 20, 2026

113 students practicing on Varsity Tutors

SAT Prep

1

A

B

C

D

2

A

B

C

D

3

A

B

C

D

4

A

B

C

D

5

A

B

C

D

1520

0

students

Start practicing →
ACT Prep

36

ENG

MATH

READ

SCI

0

students

Start practicing →
Math

0

students

Start practicing →
English

0

students

Start practicing →
Science

0

students

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Explore practice resources for St. Charles High students
Academic Grades

Select a grade level to explore courses and resources

9
Grade
10
Grade
11
Grade
12
Grade
Academic Resources

Typical courses and practice resources for students at St. Charles High

Biology
9

Cell biology, genetics, evolution, and ecology

AP Biology
AP

College-level biology with lab component

Chemistry
9

Atomic structure, reactions, and stoichiometry

AP Chemistry
AP

College-level chemistry with lab component

Physics
9

Mechanics, waves, electricity, and magnetism

AP Physics 1
AP

Algebra-based mechanics and waves

Environmental Science
9

Ecosystems, human impact, and sustainability

AP Environmental Science
AP

College-level environmental science

World History
9

Global civilizations from ancient to modern times

AP World History
AP

College-level world history analysis

U.S. History
9

American history from colonization to present

AP U.S. History
AP

College-level American history

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1:1 Tutoring

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School Details
Address

725 N Kingshighway St, St Charles, MO 63301

Phone

(636)443-4100

Website

Visit Website

District

St. Charles R-VI

Academic Calendar
2025-2026

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Other Schools in District
St.charles Early Childhood Center
George M. Null Elementary
Blackhurst Elementary
Monroe Elementary
Hardin Middle
Lewis Clark Career Center.